Seiko Cal. 7181 - 944

This Automatic model from 1971 features a 37mm PVD Black case. With its 18mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-577226ff0fec]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1971

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