Seiko Cal. 4577 - 274

The Seiko 4577-274 represents an important milestone in Seiko's 1993 lineup. Powered by the 4577 caliber with 21j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-78c0ffaa9a30]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1993

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