Seiko Cal. 5634 - 287

This Spring Drive model from 1986 features a 41mm Titanium case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-a0abcfcbb240]

Also known as: Navigator, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1986

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