Seiko Cal. 6642 - 103

This Spring Drive model from 1976 features a 41mm Titanium case. Powered by the 6642 caliber with 29j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-416c7518a332]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1976

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