Seiko Cal. 7181 - 510

The 7181-510 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-4940c1013350]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1971

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