Seiko Cal. 5677 - 955

The Seiko 5677-955 represents an important milestone in Seiko's 1991 lineup. With its 20mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-1308d87fe533]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1991

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