Seiko Cal. 4554 - 691

The Seiko 4554-691 represents an important milestone in Seiko's 1991 lineup. With its 18mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-ec3c3c680b9c]

Also known as: Monster, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1991

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