Seiko Cal. 5637 - 835

This Automatic model from 1978 features a 39mm Stainless Steel case. It features a Black dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-b921b33ecada]

Also known as: Sea Horse, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1978

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