Seiko Cal. 4420 - 714

Seiko 4420-714

The 4420-714 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-a246aece4055]

Also known as: Monster, World Timer

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
41mm
Case Thickness
15.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Black
Jewels
36j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1972

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seikata-wm-a246aece4055