Seiko Cal. 7136 - 559

This Hand-Winding model from 1978 features a 43mm PVD Black case. With its 18mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-3b94faa8a362]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1978

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