Seiko Cal. 4448 - 183

Seiko 4448-183

The 4448-183 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-b227c042417a]

Also known as: World Timer, Navigator

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
42mm
Case Thickness
9.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
Navy
Jewels
23j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1965

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