Seiko Cal. 6312 - 744

This Quartz model from 1978 features a 38mm PVD Black case. Powered by the 6312 caliber with 23j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-00a4e31fa81e]

Also known as: Bullhead, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1978

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