Seiko Cal. 3860 - 904

The 3860-904 is a sought-after Kinetic piece from Seiko's golden era. With its 19mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-84c3d4ee60c9]

Also known as: Sumo, Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1992

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