Seiko Cal. 4437 - 906

This Automatic model from 1980 features a 44mm Stainless Steel case. Powered by the 4437 caliber with 36j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-8326e132421b]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1980

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