Seiko Cal. 3864 - 707

This Spring Drive model from 1981 features a 34mm Gold-Plated case. It features a White dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-bec14351fccd]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1981

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