Seiko Cal. 6237 - 204

This Spring Drive model from 1975 features a 35mm Titanium case. Powered by the 6237 caliber with 18j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-e75a71d50530]

Also known as: Monster, Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1975

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