Seiko Cal. 5668 - 186

This Hand-Winding model from 1990 features a 42mm Hardlex-Coated Steel case. With its 18mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-46eb4ec353bd]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1990

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