Seiko Cal. 3867 - 870

This Spring Drive model from 1970 features a 42mm Stainless Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-f264100d9de5]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1970

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