Seiko Cal. 0770 - 122

This Spring Drive model from 1968 features a 41mm Hardlex-Coated Steel case. Powered by the 0770 caliber with 19j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-82fc33fb10d8]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1968

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