Seiko Cal. 6660 - 887

This Kinetic model from 1979 features a 41mm Hardlex-Coated Steel case. With its 22mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-428ad09dcd86]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1979

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