Seiko Cal. 3877 - 595

This Hand-Winding model from 1970 features a 37mm PVD Black case. With its 20mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-35bac51f095d]

Also known as: Helmet, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1970

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