Seiko Cal. 4525 - 652

Seiko 4525-652

The 4525-652 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4525 caliber with 25j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-b1787c0e0e4b]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
46mm
Case Thickness
12.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
White
Jewels
25j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1979

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seikata-wm-b1787c0e0e4b