Seiko Cal. 3810 - 742

This Hand-Winding model from 1981 features a 36mm Hardlex-Coated Steel case. With its 19mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-257c7c8e8cc2]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1981

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