Seiko Cal. 3841 - 675

This Spring Drive model from 1984 features a 40mm Gold-Plated case. It features a Silver dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-29bdc078b7c7]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1984

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