Seiko Cal. 6366 - 898

This Spring Drive model from 1977 features a 37mm Stainless Steel case. With its 20mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-38e50cbc6da3]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1977

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