Seiko Cal. 4438 - 446

Seiko 4438-446

The 4438-446 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-d1860bbbffd6]

Also known as: Monster, Bullhead

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
46mm
Case Thickness
8.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
150m
Dial Color
Champagne
Jewels
23j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1971

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