Seiko Cal. 5637 - 239

This Hand-Winding model from 1978 features a 34mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-2fda34f3a36f]

Also known as: Samurai, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1978

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