Seiko Cal. 4442 - 448

Seiko 4442-448

The 4442-448 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-6d99878f9cde]

Also known as: Sportsmatic, World Timer

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
35mm
Case Thickness
9.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
White
Jewels
17j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1970

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