Seiko Cal. 6312 - 863

This Spring Drive model from 1972 features a 39mm Stainless Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-68759235e770]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1972

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