Seiko Cal. 4421 - 359

Seiko 4421-359

The 4421-359 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4421 caliber with 35j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-04e3e32aeb26]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
38mm
Case Thickness
9.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Black
Jewels
35j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1980

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