Seiko Cal. 4421 - 958

Seiko 4421-958

This Kinetic model from 1991 features a 45mm Stainless Steel case. Powered by the 4421 caliber with 36j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-e5bcc9895f9e]

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
9.0mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Black
Jewels
36j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1991

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