Seiko Cal. 5633 - 640

This Solar model from 1992 features a 39mm Two-Tone case. It features a Cream dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-d6006a07480c]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1992

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