Seiko Cal. 5612 - 172

This Hand-Winding model from 1977 features a 37mm Stainless Steel case. Powered by the 5612 caliber with 32j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-a3447dce87f8]

Also known as: Navigator, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1977

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