Seiko Cal. 3870 - 561

This Spring Drive model from 1976 features a 37mm Gold-Plated case. It features a Champagne dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-4a9c7268a389]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1976

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