Seiko Cal. 4577 - 342

Seiko 4577-342

This Automatic model from 1990 features a 41mm Hardlex-Coated Steel case. Powered by the 4577 caliber with 33j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-5570b66b7412]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
13.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1990

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seikata-wm-5570b66b7412