Seiko Cal. 3860 - 438

This Spring Drive model from 1992 features a 45mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-8a6be127d9f7]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1992

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