Seiko Cal. 6635 - 766

This Solar model from 1965 features a 34mm Hardlex-Coated Steel case. With its 19mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-e9818773018b]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1965

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