Hong Kong, Nov 25, 2022
LOT 74
OMEGA
REF. 176.0012, SELF-WINDING, CHRONOGRAPH, MINUTE AND HOUR COUNTERS, DATE, DAY, AM-PM INDICATION; “SPEEDMASTER AUTOMATIC CHRONOMETER” “MARK 4.5” “SEAMASTER”; STAINLESS STEEL
HKD 11,900 - 23,900
EUR 1,550 - 3,100 / CHF 1,500 - 3,000 / USD 1,550 - 3,100
Stainless steel, self-winding, “tonneau”-shaped, massive pilot’s wristwatch, water-resistant with screwed case-back stamped in the centre with a seahorse and the name “seamaster”, black bezel ring under the glass, black dial with radial luminous indexes, black colour auxiliary dials, subsidiary seconds at 9 and six horological complications:
· 1/8 second chronograph (activated by the two round-shaped push-pieces) with tachometric scale graduated on the bezel for 500 units per hour
· Dragging 60-minute central counter
· 12-hour counter (subsidiary dial at 6 o’clock)
· Half-instantaneous date of the month (aperture at 3 o’clock)
· Day of the week (aperture at 3 o’clock)
· Diurnal (day-time) and nocturnal (night-time) hours with a 24-hour (AM-PM) scale (subsidiary dial at 9 o’clock)
| Grading System | |
|---|---|
Grade: AA |
Very good |
Case: 3-8 |
Good Slightly scratched |
Movement: 3* |
Good Overhaul recommended, at buyer's expense |
Dial: 3-01 |
Good HANDS Original |
Brand Omega, Bienne / Biel
Model “Speedmaster Automatic Chronometer” “Seamaster”
Reference 176.0012
Year circa 1979
Movement No. 43 013 027
Case No. unnumbered
Material stainless steel
Bracelet stainless steel Omega link bracelet with deployant clasp (Ref. 1162; end-links 172)
Length 170 mm. (approx.)
Caliber 1045 (based on Lémania 5100)
Dimensions 45 x 41.7 mm.
Thickness 15.4 mm.
Signature dial, case and movement
Notes
Omega, Reference 176.0012, “Speedmaster Automatic Chronometer” “Mark 4.5”
This reference was launched in 1975 and was produced until 1986. This “Speedmaster” is nicknamed “Mark 4.5” as it pairs the case of the “Mark IV” with the movement of the “Mark V”.