Seiko Cal. 5636 - 141

This Spring Drive model from 1987 features a 37mm Titanium case. With its 19mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-00ec315196f8]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1987

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