Seiko Cal. 7181 - 658

The 7181-658 is a sought-after Kinetic piece from Seiko's golden era. With its 21mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-d1dbc217babb]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1976

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