Seiko Cal. 6634 - 453

This Solar model from 1982 features a 45mm Stainless Steel case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-b2d30849abb1]

Also known as: Sumo, Crown

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1982

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