Seiko Cal. 4421 - 355

Seiko 4421-355

This Solar model from 1977 features a 41mm PVD Black case. Powered by the 4421 caliber with 29j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-fd2a7720bc26]

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
41mm
Case Thickness
9.2mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
White
Jewels
29j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1977

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