Seiko Cal. 3865 - 995

This Spring Drive model from 1971 features a 46mm Gold-Plated case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-4cb6fea3e2b9]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1971

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