Seiko Cal. 5612 - 157

This Spring Drive model from 1970 features a 41mm Titanium case. Powered by the 5612 caliber with 31j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-864f5f8eae1d]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1970

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