Seiko Cal. 3870 - 925

This Spring Drive model from 1988 features a 44mm Gold-Plated case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-398ea019df8f]

Also known as: Rally, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1988

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