Seiko Cal. 4450 - 632

Seiko 4450-632

The 4450-632 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4450 caliber with 17j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-3795df7c03f6]

Also known as: Tuna, UFO

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
15.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Green
Jewels
17j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1971

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seikata-wm-3795df7c03f6