Seiko Cal. 6635 - 576

This Solar model from 1977 features a 36mm PVD Black case. It features a White dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-dab2957ca460]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1977

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