Seiko Cal. 5635 - 865

This Spring Drive model from 1980 features a 44mm Titanium case. Powered by the 5635 caliber with 30j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-8d38b069b987]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1980

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