Seiko Cal. 5637 - 790

This Hand-Winding model from 1979 features a 44mm Gold-Plated case. It features a White dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-f2ee86f92b10]

Also known as: Samurai, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1979

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