Seiko Cal. 4421 - 917

Seiko 4421-917

The 4421-917 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-2b3dbcefd778]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
9.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1980

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