Seiko Cal. 6637 - 769

This Solar model from 1986 features a 35mm Titanium case. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-0c9d9dba2058]

Also known as: Sumo, Goldfeather

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1986

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