Seiko Cal. 5231 - 607

This Hand-Winding model from 1965 features a 43mm Stainless Steel case. Powered by the 5231 caliber with 19j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-2f3a069b3e96]

Also known as: Sumo, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1965

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