Seiko Cal. 4577 - 928

Seiko 4577-928

This Quartz model from 1982 features a 36mm Hardlex-Coated Steel case. Powered by the 4577 caliber with 24j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-bd8f5647a86b]

Also known as: Bullhead

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
13.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
140m
Dial Color
White
Jewels
24j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1982

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