Seiko Cal. 4478 - 750

Seiko 4478-750

The 4478-750 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-926aa0cbb7d4]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
11.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
170m
Dial Color
Champagne
Jewels
35j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1969

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