Seiko Cal. 6691 - 577

The Seiko 6691-577 represents an important milestone in Seiko's 1997 lineup. With its 21mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-62000bab6e88]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1997

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