Seiko Cal. 4478 - 740

Seiko 4478-740

The 4478-740 is a sought-after Kinetic piece from Seiko's golden era. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-b68f1df234bf]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
44mm
Case Thickness
13.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
30m
Dial Color
Burgundy
Jewels
36j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1969

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