Seiko Cal. 4478 - 644

Seiko 4478-644

The 4478-644 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-2ee778122c46]

Also known as: Rally

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
11.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Champagne
Jewels
20j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1965

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seikata-wm-2ee778122c46