Seiko Cal. 4420 - 956

Seiko 4420-956

The 4420-956 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-4d38004ded34]

Also known as: Monster, Silverwave

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
8.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
White
Jewels
34j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1990

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