Seiko Cal. 4537 - 121

This Hand-Winding model from 1977 features a 44mm Stainless Steel case. Powered by the 4537 caliber with 32j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-98fd17e3eecc]

Also known as: Samurai, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1977

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