Seiko Cal. 4577 - 305

This Hand-Winding model from 1990 features a 42mm Hardlex-Coated Steel case. With its 18mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-8bb494dac29b]

Also known as: Bellmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1990

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