Seiko Cal. 4421 - 331

Seiko 4421-331

This Solar model from 1985 features a 36mm Hardlex-Coated Steel case. Powered by the 4421 caliber with 33j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-dcccb19f6290]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
9.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
130m
Dial Color
Black
Jewels
33j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1985

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