Seiko Cal. 6164 - 199

This Hand-Winding model from 1987 features a 37mm Hardlex-Coated Steel case. With its 20mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-39cd4ba9b53e]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1987

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