Seiko Cal. 4577 - 104

Seiko 4577-104

The 4577-104 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4577 caliber with 35j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-9f5b4c1b821f]

Also known as: Flighty

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
37mm
Case Thickness
13.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
180m
Dial Color
Black
Jewels
35j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1975

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