Seiko Cal. 6642 - 310

This Automatic model from 1976 features a 41mm Stainless Steel case. Powered by the 6642 caliber with 23j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-1241bfb594b7]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1976

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