Seiko Cal. 4421 - 716

Seiko 4421-716

This Kinetic model from 1971 features a 40mm Stainless Steel case. With its 21mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-a2d5f5e73f01]

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
12.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
200m
Dial Color
Green
Jewels
18j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1971

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