Omega caliber 1155

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Brand:	Omega
Reference:	1155
Base:	ETA 7750
Movement:	Automatic
Display:	Analog
Diameter:	30.00
Jewels:	17
Reserve:	42
Frequency:	28800
Date:	Date, Day
Chronograph:	Chronograph
Hands:	Hours, Minutes, Small Seconds

1155 description

Omega version of the earlier (17 jewels) Valjoux / ETA 7750.
Later version is the Omega 1164.

All watches using the Omega 1155 movement:

Omega Speedmaster Date 38 Stainless Steel / Black / Albertville Winter Olympics (3811.50.JO)

3811.50.JO Omega Speedmaster Date 38 Stainless Steel / Black / Albertville Winter Olympics