Seiko Cal. 4421 - 337

Seiko 4421-337

The 4421-337 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4421 caliber with 20j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-7314c4747f15]

Also known as: Pogue, Sea Horse

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
34mm
Case Thickness
12.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Cream
Jewels
20j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1984

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