Two-Day Marine Chronometer with Subsidiary Compensation Charles Frodsham, 7 Pavement, Finsbury Square, London, No. 1754, circa 1850. Fine rosewood 56 hour going marine chronometer with power reserve indicator.

C. Three-tier, brass-bound corners, external drop handles, glazed top missing, upper section with ivory signature plaque, gimbaled brass bowl with locking slide. D. Silvered with champlevé radial Roman numerals, outer minute track with Arabic five minute numerals, subsidiary seconds and power reserve indication, blued steel fleur de lys hands. M. Brass half plate, cut away for the barrel secured under a crescent-shaped bridge, ring-turned pillars with blued steel screws, fusée and chain with Harrison's maintaining power, spring-detent escapement, cut bimetallic compensation balance with peripheral temperature adjustment screws and mean time adjustment nuts, two-armed subsidiary compensation mounted on the balance pivot above the balance and with 2 perpendicular adjustment nuts on long screw threads, blued steel free-sprung helical balance spring with inner and outer terminal curves. Dial and box signed. Bowl 10 cm., box 15.5 x 15.5 cm. Property of Various Owners

Two-Day Marine Chronometer Ulysse Nardin, Locle, No. 4595. Made circa 1940. Fine, mahogany, 2-day marine chronometer with power reserve indication and ratchet key. Accompanied by the original transportation case.

C. Three-tier, with brass handles, the glazed middle section with hinged lid (missing glass). Brass bowl and gimbaled suspension. D. Silvered with radial Roman numerals, outer minute track, subsidiary dials for the seconds and power reserve indication (missing hand). Gold spade hands. M. Cal. 83 mm, gilt brass, full plate with baluster pillars secured by screws, 14 jewels, fusée with chain and Harrison's maintaining power, Earnshaw's spring detent escapement, free-sprung 2-arm bimetallic compensation balance with cylindrical weights and 2 meantime adjusting nuts, polished steel helical balance spring, diamond endstone. Dial, case and movement signed. Dim. Bowl 11 cm., box 19 x 19 cm. Property of Various Owners

Eight-Day Lantern Clock Jaeger-LeCoultre, made circa 1960. Fine and very rare eight-day going brass and lucite desk clock resembling a lantern.

C. Brass case with four Lucite panels, the two on the side with geometric pattern. D. Oval brass outer ring with brass indexes. Brass fancy hands. M. Skeletonized, train running in straight line in small two bar frame, straight line lever escapement, monometallic balance with self-compensating Breguet balance spring mounted on a lucite plate resembling a candle flame. Case signed and numbered. Dim. 11 x 14.5 x 4.5 cm. Property of Various Owners

Jaeger-LeCoultre, made circa 1960. Fine brass eight-day going rectangular desk clock.

C. Rectangular, with two side panels with mesh pattern. D. Silver, brass chapter ring with applied brass markers. Fancy hands. M. Cal. 229, 7 jewels, rhodium-plated, monometallic balance, self-compensating Breguet balance spring. Signed on case, movement and dial. Dim 11.5 x 8.5 x 4 cm. Property of Various Owners

Writing Desk Set Léon Hatot, Fabricants, Paris, (ATO), "Electrique", No. 36342. Made circa 1927. Fine and rare, Art Deco burr walnut with inlaid brass mantel clock with inkwells and pen rest.

C. Rectangular, burr walnut the desk set and clock case inlaid with brass stringing, two glass inkwells in brass surrounds, four gilt brass bun feet. D. Silver brass with Arabic numerals, outer minute divisions, the center with stylised leaves. Blued steel épée hands. M. Brass, electromagnetic pendulum, battery contacts. Dial and movement signed. Dim. 42 x 18 x 19 cm Property of Various Owners

A La Ronde Léon Hatot, (ATO), No. 97861. Made circa 1948. Fine and rare, molded glass and "bakelite" electric mantel clock.

C. Rectangular stepped "bakelite" base and movement housing. D. Pressed frosted and polished glass with dentilled border, radial gilt Arabic numerals on raised blocks, the center with raised decoration. Silver Art Deco hands with convex circular tips. M. 9 cm., battery driven, electromagnetic pendulum. Dial and movement signed. Diam. 22 cm. Property of Various Owners

Jaeger LeCoultre, made circa 1960. Small and rare eight-day going chrome and blue lucite desk clock.

C. Lucite circular case mounted on an inclined brass base held by the front by three semi-circular chrome disks. D. Outer lucite circular ring with chrome triangular and dot markers, central chrome disk. Blued steel hands. M. Rhodium-plated, straight line lever escapement, monometallic balance with self-compensating Breguet balance spring. Dial signed, case numbered. Dim: Length 82 mm, height 97 mm, depth 30 mm. Property of Various Owners

Atmos White Marina Jaeger-LeCoultre, ?Atmos?, Ref. 5810. Made in the 1960s. Fine and very rare, rectangular gilt brass and perspex (lucite) mantel clock with ?aquarium? panels, wound by barometric pressure changes. Accompanied by the original fitted box.

C. Glazed on 4 sides and on the top with perspex (lucite) panels, those on the sides set with gilt angelfish and water plants, the front panel with aperture to view the pendulum, stepped plinth base. D. White with applied gilt brass faceted dart indexes and Arabic quarter-hour numerals. Gilt brass dauphine hands with black tips. M. Cal. 526-5, gilt brass, vacuum chamber winding the going barrel, lever escapement driven by annular tension pendulum, locking screw in the base below the pendulum disc. Case, movement and vacuum signed. Dim. 23 x 18 x 14 cm Property of Various Owners

Omega, ?Constellation, Chronometer?, movement No. 17013891, Ref. 14381/3. Made in 1959. Fine, center seconds, self-winding, water-resistant, 18K pink gold wristwatch with a pink gold Omega buckle.

C. Three-body, solid, polished, flat bezel, faceted downturned lugs, screw-down back with Constellation logo. D. Satiné pink with applied faceted copper-colored indexes, applied pink gold Omega symbol at 12 and pink gold star at 6, black minute track. Pink gold dauphine hands. M. Cal. 551, copper-colored, 24 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movment signed. Diam. 34.5 mm. Thickness 9.5 mm. Property of Various Owners

Omega, ?Constellation, Chronometer?, movement No. 17017105, Ref. 14381/2. Made in 1959. Fine, center seconds, self-winding, water-resistant, 18K pink gold wristwatch with a pink gold Omega buckle.

C. Three-body, solid, polished, flat bezel, faceted down-turned lugs, screw-down back with Constellation logo. D. Satiné pink with applied faceted copper-colored indexes, applied pink gold Omega symbol at 12 and pink gold star at 6, black minute track. Pink gold ?Dauphine? hands. M. Cal. 551, copper-colored, 24 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movment signed. Diam. 34 mm. Thickness 10 mm. Property of Various Owners

Omega, ?Constellation, Chronometer, Officially Certified?, movement No. 14225844, case No. 11380754, Ref. 2782. Made in 1954. Fine, center seconds, self-winding, water-resistant, 18K yellow gold wristwatch with a yellow gold Omega buckle.

C. Three-body, solid, polished, flat bezel, faceted down-turned lugs, snap-on back with Constellation logo and engraved ?Constellation, Waterproof?. D. Two-tone gold with applied faceted yellow gold baton and triangular indexes on a guilloché ground, applied yellow gold Omega symbol at 12 and yellow gold star at 6. Yellow gold dauphine hands. M. Cal. 354, copper-colored, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, bumper rotor. Dial, case and movement signed. Diam. 35 mm. Thickness 10.5 mm. Property of Various Owners

Omega, ?Constellation, Chronometer, Officially Certified?, movement No.15355543, case No. 163813 Ref. 2852. Made in 1956. Fine and rare, center seconds, self-winding, water-resistant, 18K pink gold wristwatch with an 18K pink gold ?mesh? Omega bracelet.

C. Three-body, solid, polished, flat bezel, faceted down-turned lugs, snap-on back with Constellation logo and engraved ?Constellation, Waterproof?. D. Satiné pink with applied faceted copper-colored indexes, applied pink gold Omega symbol at 12 and pink gold star at 6. M. Cal. 505, copper-colored, 24 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 35 mm. Thickness 11 mm. Approx overall length 190 mm. Property of Various Owners

Omega, "Constellation, Automatic, Chronometer", movement No.19437083, Ref. 168.0005/6. Made in 1962. Fine, center-seconds, self-winding, water-resistant, 18K pink gold wristwatch with date and a gold-plated buckle.

C. Three-body, solid, polished, faceted lugs, flat bezel, screw-down case back with applied gold Constellation logo. D. Satiné silver, ?pie-pan? with faceted yellow gold baton indexes, inner minute/seconds divisions, aperture for the date. Yellow gold dauphine hands. M. Cal. 561, rhodium-plated, 24 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 34 mm. Thickness 10 mm. Property of Various Owners

Steel Chronograph, Enamel Dial Omega, ?Chronograph?. Made in the 1950s. Fine and rare, "Staybrite" stainless steel wristwatch with round button chronograph, register, tachometer, telemeter and a stainless steel deployant clasp.

C. Three-body, polished, concave lugs. D. White enamel with painted Breguet numerals, subsidiary seconds and 30-minute register dials, outer tachometer and telemeter graduation, concentric 1/5th seconds scale with red Arabic 24 hour markers. Blued steel Breguet hands. M. Cal. 33.3, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, blued steel Breguet balance spring. Dial, case and movement signed. Diam. 38 mm. Thickness 13 mm. Property of Various Owners

1st Generation Broad Arrow Omega, ?Speedmaster?, Ref. 2915-1. Made circa 1957. Very fine and very rare, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Omega link bracelet.

C. Three-body, polished and brushed, tachometer graduation to 300uph on the steel bezel, screwed-down case back. D. Black with luminous painted baton indexes, outer minute/seconds and 1/5th seconds divisions, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous steel broad arrow hands. M. Cal. 321, coppercolored, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 39 mm. Thickness 13 mm. Property of Various Owners

Speedmaster Professional Omega, Ref. 145012-67 SP. Made circa 1968. Fine, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Omega link bracelet.

C. Three-body, polished and brushed, screwed-down case back engraved with the ?Speedmaster? logo, anti-magnetic protecting cap, tachometer graduation on the black bezel, stylized lapidated lugs. D. Black with luminous baton indexes, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous baton hands. M. Cal. 321, gilt brass, 17 jewels, straightline lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 42 mm. Thickness 13 mm. Property of Various Owners

Speedmaster Professional Omega, "Speedmaster Professional", Ref. 145012-67 SP. Made circa 1967. Fine, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Omega link bracelet.

C. Three-body, polished and brushed, lyre lugs, screw-down case back engraved with the Speedmaster logo, anti-magnetic protection cap, tachometer graduation on the bezel to 500 UPH. D. Black with luminous baton indexes, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous white baton hands. M. Cal. 321, copper-colored, 17 jewels, straightline lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 40 mm. Thickness 14 mm. Property of Various Owners

Speedmaster Professional Omega, "Speedmaster Professional", Ref. 145022-78 ST. Made circa 1973. Fine, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Omega link bracelet.

C. Three-body, polished and brushed, screwed-down case back engraved with the Speedmaster logo surrounded by the inscription: ?The First Watch Worn on the Moon - Flight-Qualified by Nasa for All Manned Space Missions?, anti-magnetic protection cap, tachometer graduation on the black bezel, stylized lapidated lugs. D. Black with luminous baton indexes, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous white baton hands. M. Cal. 861, gilt brass, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 42 mm. Thickness 14 mm. Property of Various Owners

Second Generation Broad Arrow Omega, ?Speedmaster?, Ref. 2915-3. Made in 1958. Very fine and very rare, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Omega buckle.

C. Three-body, polished and brushed, tachometer graduation to 300uph on the steel bezel, screwed-down case back with Speedmaster logo. D. Black with luminous painted baton indexes, outer minute/seconds and 1/5th seconds divisions, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous steel broad arrow hands. M. Cal. 321, copper-colored, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self compensating flat balance spring. Dial, case and movement signed. Diam. 39 mm. Thickness 13 mm. Property of Various Owners

Stainless Steel Oysterquartz Rolex, Genève, ?Oysterquartz Datejust, Superlative Chronometer Officially Certified?, Ref. 17000. Made in the late 1970s. Fine, tonneau-shaped, center seconds, water-resistant, stainless steel chronometer wristwatch with date and integrated, stainless steel Rolex Oyster bracelet. To be sold without reserve

C. Three-body, polished and brushed, polished bezel, screwdown case back and crown, sapphire crystal with Cyclops lens. D. Satiné silver with applied yellow gold baton indexes and luminous dots, outer minute/ seconds divisions, aperture for the date. Luminous yellow gold baton hands. M. Cal. 5035 with quartz standardization, rhodium-plated, 11 jewels, adjusted to temperature, hack mechanism. Dial, case and movement signed. Diam. 36 mm. Thickness 14 mm. Property of Various Owners