Seiko Cal. 0770 - 164

This Spring Drive model from 1969 features a 38mm Hardlex-Coated Steel case. With its 20mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-519138825fd3]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1969

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