Seiko Cal. 6312 - 620

This Spring Drive model from 1977 features a 35mm Gold-Plated case. It features a Black dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-04bf4453adde]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1977

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