Seiko Cal. 3896 - 937

This Spring Drive model from 1973 features a 37mm Hardlex-Coated Steel case. With its 20mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-5f2926116421]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1973

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