Seiko Cal. 4425 - 630

Seiko 4425-630

The 4425-630 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4425 caliber with 17j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-c1ad61d2967c]

Also known as: Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
9.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Champagne
Jewels
17j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1972

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seikata-wm-c1ad61d2967c