Seiko Cal. 4577 - 923

Seiko 4577-923

The 4577-923 is a sought-after Solar piece from Seiko's golden era. Powered by the 4577 caliber with 35j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-b62301f12fee]

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
43mm
Case Thickness
9.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
120m
Dial Color
Green
Jewels
35j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1983

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