Seiko Cal. 4478 - 622

Seiko 4478-622

The 4478-622 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-ce51b38597b0]

Also known as: Sportsmatic, World Timer

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
46mm
Case Thickness
10.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Cream
Jewels
22j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1969

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