Seiko Cal. 5612 - 712

This Spring Drive model from 1975 features a 39mm Hardlex-Coated Steel case. With its 20mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-95bf5b648954]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1975

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