Seiko Cal. 6312 - 298

This Spring Drive model from 1974 features a 46mm Hardlex-Coated Steel case. With its 20mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-c044301e522d]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1974

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