Seiko Cal. 6637 - 609

This Solar model from 1976 features a 36mm Hardlex-Coated Steel case. It features a Cream dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-74e2f1cf2c31]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1976

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