Seiko Cal. 5639 - 884

This Solar model from 1997 features a 41mm Hardlex-Coated Steel case. With its 22mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-a9be2801d8f4]

Also known as: Sumo, Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1997

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