Seiko Cal. 6647 - 768

This Solar model from 1979 features a 35mm Gold-Plated case. With its 22mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-f995d1046335]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1979

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