Seiko Cal. 4444 - 478

Seiko 4444-478

The 4444-478 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ad7b10b0e291]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
11.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Champagne
Jewels
21j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1985

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