Seiko Cal. 6689 - 816

This Spring Drive model from 1991 features a 44mm Stainless Steel case. With its 21mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-79239ebb88e6]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1991

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