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145.007

Seamaster Chronostop 145.007 — 145.007

Undated

Examples: movement 28,439,393 (circa 1969, on the ST 1184 bracelet with 653 end links) and 28,432,532 (41 × 46 mm).

Dial-side shot of a steel Seamaster Chronostop on a link bracelet. C-shaped case with crown and single pusher on the right, black dial with a printed tachymetre scale under the crystal, “Omega Chronostop” and script “Seamaster”, orange central chronograph hand and no outer bezel, which separates it from the 145.008. · Photo: Antiquorum · © Antiquorum, used with permission · Source: https://catalog.antiquorum.swiss/en/lots/omega-ref-145-007-seamaster-chronostop-lot-346-288

Identifying details

Chronograph
Stopwatch function with registers.
Monopusher

Variants of 145.007

Reference overview →

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Variant	Production
145.007Current	Undated

Case & movement

Reference: 145.007
Production: Undated
Movement serials: c. 28.43M–28.44M
Case material: Stainless steel
Water resistance: 60 m
Movement: Manual winding
Date: No
Caliber: Omega 865

Dial, bezel & hands

Unknown attributes are left out rather than guessed.

Movement

Omega 865

Hand-wound single-pusher chronograph derived from the Speedmaster's cam-and-lever 861 family, with only a central 60-second chronograph hand; no running seconds. About 124,000 were made by 1970.

Omega Seamaster Chronostop 145.007 145.007 · The Index