Seiko Cal. 3810 - 997

This Hand-Winding model from 1974 features a 44mm PVD Black case. With its 22mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-dd71bd0e9c88]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1974

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