Seiko Cal. 4475 - 930

This Spring Drive model from 1983 features a 41mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-dbfd347ba627]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1983

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