Seiko Cal. 6680 - 667

This Hand-Winding model from 1977 features a 37mm Gold-Plated case. With its 22mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-fe26eefd9302]

Also known as: Sumo, Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1977

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