Seiko Cal. 6658 - 195

This Hand-Winding model from 1985 features a 40mm Two-Tone case. With its 21mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-e9f761d57bd1]

Also known as: Sumo, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1985

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