Seiko Cal. 3860 - 278

This Spring Drive model from 1967 features a 42mm PVD Black case. It features a White dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-fcd2f12aa117]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1967

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