Seiko Cal. 5658 - 600

This Hand-Winding model from 1981 features a 36mm PVD Black case. With its 22mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-7e77ad452e9c]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1981

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