Seiko Cal. 3870 - 654

This Spring Drive model from 1979 features a 34mm Two-Tone case. It features a Burgundy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-cb364ffbe6df]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1979

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