Seiko Cal. 5680 - 737

This Hand-Winding model from 1968 features a 43mm Gold-Plated case. Powered by the 5680 caliber with 33j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-aa437bdd6bea]

Also known as: Samurai, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1968

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