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Omega Dynamic Chronostop 146.012 146.012 · The Index

146.012

Dynamic Chronostop 146.012 — 146.012

Undated

Antiquorum's example: 41 mm, caliber 920 number 29,122,664, on the 1153/138 bracelet.

The “UFO” Dynamic Chronostop: an almost round steel case with a very broad polished bezel on the Dynamic-style integrated steel bracelet. Silver sunburst dial with applied markers, “Omega Chronostop / Genève” and a date window at three; crown and pusher on the right. · Photo: Antiquorum · © Antiquorum, used with permission · Source: https://catalog.antiquorum.swiss/en/lots/omega-ref-146-012-chronostop-lot-327-52

Identifying details

Chronograph
Stopwatch function with registers.
Monopusher

Variants of 146.012

Reference overview →

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Variant	Production
146.012Current	Undated

Case & movement

Reference: 146.012
Production: Undated
Movement serials: from c. 29.12MLook up Omega serial numbers
Case material: Stainless steel
Movement: Manual winding
Date: Yes
Caliber: Omega 920

Dial, bezel & hands

Unknown attributes are left out rather than guessed.

Movement

Omega 920

Date version of the 865 (no quickset); the rotated Driver needs its own date wheel. About 61,000 were made by 1970.

Manual winding · Introduced 1968 · 21,600 vph · 17 jewels