Seiko Cal. 4421 - 304

Seiko 4421-304

The 4421-304 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4421 caliber with 31j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-5499b55db957]

Also known as: Arnie

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
40mm
Case Thickness
14.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Navy
Jewels
31j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1987

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seikata-wm-5499b55db957