Seiko Cal. 5646 - 361

This Kinetic model from 1981 features a 37mm Stainless Steel case. With its 20mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-d9bfd30b37d8]

Also known as: Sumo, Crown

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1981

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