Seiko Cal. 4421 - 408

Seiko 4421-408

The Seiko 4421-408 represents an important milestone in Seiko's 1966 lineup. Powered by the 4421 caliber with 29j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-92e9c4f279c1]

Also known as: Sea Horse, Arnie

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
44mm
Case Thickness
10.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Silver
Jewels
29j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1966

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