Seiko Cal. 4425 - 721

Seiko 4425-721

The 4425-721 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-9c9c16bb236c]

Also known as: Crown, Arnie

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
37mm
Case Thickness
9.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
White
Jewels
18j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1979

Related Models

seikata-wm-9c9c16bb236c