The OMEGA calibre 321 was derived from calibre 27 CHRO C12, which was a chronograph with a 12-hour recorder, developed in 1942. The calibre 321 was the first movement ever used in the OMEGA Speedmaster in 1957 and was used in several space bound Speedmaster models that went to the moon.

Brand:

OMEGA

Made:

1964

Model:

Chronograph

Reference:

-

Calibre:

321

Movement:

Manual

Material:

Stainless steel

Features/complications:

Chronograph and round pushers

Dial:

Silvered dial with outer tachymetric scale and minute track with strokes to 1/5th of a second featuring gilt applied mirror polished arrow hour indices with gilt baton hands subsidiary seconds at 9 o’clock, 30 minute register at 3 o’clock, 12 hour register at 6 o’clock

Case dimensions:

34mm

Bracelet/Strap:

Stainless steel bracelet

Accessories:

-

SKU:

03434

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