Seiko Cal. 7188 - 543

This Hand-Winding model from 1970 features a 40mm PVD Black case. With its 21mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-20b3422de6cf]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1970

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