Seiko Cal. 5677 - 881

This Spring Drive model from 1999 features a 39mm Stainless Steel case. With its 21mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-b2fb42986934]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1999

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