Seiko Cal. 6312 - 944

This Spring Drive model from 1976 features a 37mm Two-Tone case. It features a Cream dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-bbc1e8ca1a8a]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1976

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