Hong Kong, Nov 25, 2022

LOT 61

OMEGA
REF. ST 145.00.22, CHRONOGRAPH, MINUTE AND HOUR COUNTERS, CALIBRE 861; “SPEEDMASTER PROFESSIONAL”; STAINLESS STEEL

HKD 47,700 - 96,000

EUR 6,100 - 12,200 / CHF 6,000 - 12,000 / USD 6,100 - 12,200

Stainless steel, manual-winding, “tonneau”-shaped, gentleman’s wristwatch, water-resistant with screwed case-back, movement protected inside a soft iron calotte (protective container) against magnetic fields, bezel with black insert, black colour dial with subsidiary seconds at 9 and three horological complications:
· 1/8 second chronograph (activated by the two round-shaped push-pieces located on the case-band) with tachometric scale graduated on the bezel for 500 units per hour
· Half-instantaneous 30-minute counter (subsidiary dial at 3 o’clock)
· 12-hour counter (subsidiary dial at 6 o’clock)

Case-back stamped in the centre with the Omega logo, the sea-horse and the name “speedmaster”, surrounded by the mentions “flight-qualified by nasa for all manned space missions” and “the first watch worn on the moon”.


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 Professional”

Reference ST 145.00.22

Year circa 1969

Movement No. 31 310 099

Case No. unnumbered (by “ADB”)

Material stainless steel

Bracelet grey and black Nato-type strap, stainless steel buckle

Diameter 40 mm.

Caliber 861 (based on Lemania)

Weight 76.9 gr. (approx.)

Signature dial, case and movement