Seiko Cal. 3812 - 601

This Spring Drive model from 1987 features a 44mm Stainless Steel case. Powered by the 3812 caliber with 25j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-9b25ceca99b5]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1987

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