Seiko Cal. 6186 - 739

This Hand-Winding model from 1967 features a 41mm Hardlex-Coated Steel case. With its 20mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-a1a9b1b957c4]

Also known as: Sumo, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1967

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