Seiko Cal. 4448 - 548

Seiko 4448-548

The 4448-548 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-d5e5efa91c22]

Also known as: Bullhead, World Timer

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
38mm
Case Thickness
10.2mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
30m
Dial Color
Black
Jewels
27j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1979

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