Seiko Cal. 6680 - 638

This Spring Drive model from 1985 features a 40mm Hardlex-Coated Steel case. With its 22mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-57f4b1dd1ebf]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1985

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