Seiko Cal. 7131 - 630

This Hand-Winding model from 1970 features a 44mm PVD Black case. With its 22mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-3f49ac4efff5]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1970

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