Seiko Cal. 4577 - 723

This Quartz model from 1990 features a 39mm Hardlex-Coated Steel case. Powered by the 4577 caliber with 29j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-2d83d90dcf4c]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1990

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