Seiko Cal. 4420 - 329

Seiko 4420-329

The 4420-329 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4420 caliber with 27j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-bdaa635a85c4]

Also known as: UFO

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
11.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Cream
Jewels
27j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1999

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seikata-wm-bdaa635a85c4