Seiko Cal. 4577 - 263

The Seiko 4577-263 represents an important milestone in Seiko's 1990 lineup. Powered by the 4577 caliber with 25j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-ffe517043c66]

Also known as: Pogue, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1990

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