Seiko Cal. 6672 - 709

This Spring Drive model from 1987 features a 37mm Hardlex-Coated Steel case. With its 19mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-698d1ec104a7]

Also known as: Sumo, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1987

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