Omega Seamaster 120 “Big Blue” divers chronograph from 1977



Omega Seamaster 120 “Big Blue” diver’s chronograph. 176.004. By serial number (40922xxx), the watch was made in 1977.  Blue bakelite bezel, steel case, cal.1040 automatic movement in excellent condition. The watch is still diving proof, tested at +10/-0.7bar. The watch comes with an original steel bracelet ref. 162. Case diameter: 41 mm.

According to the included Omega’s Extract from the Archives certificate, the watch was delivered to Turkey in March 1979.

The watch has a 12-month service guarantee.

Detailed information:

Reference: ST 176.004
International collection: 1972-
Movement type: Automatic (mechanical)
Caliber number: 1040, created in 1970, 22 jewels
Functions: Date, 24 hours, chronograph
Case: Stainless steel
Case back: Screw-in, full metal
Dial: With luminous hour markers and luminous metal hands
Crystal: Mineral
Bracelet: Stainless steel
Water resistance: 120 meters
Case: “Pilot” shape (41 × 52 mm), with rotating “0-60” scale bezel and screw-in crown
Size between case lugs: 22 mm
International collection: 1972-1973
Swiss retail price (1972): CHF 715.-
Also available on SS bracelet of ref. 1162/172 or 1247/238.