Seiko Cal. 4425 - 707

Seiko 4425-707

The 4425-707 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-3177d1d4ebf4]

Also known as: World Timer

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
12.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Black
Jewels
24j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1984

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