Seiko Cal. 6638 - 999

This Solar model from 1979 features a 36mm Titanium case. It features a White dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-ab897f3f5001]

Also known as: Bullhead, Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1979

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