Seiko Cal. 4478 - 931

Seiko 4478-931

The 4478-931 is a sought-after Solar piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-dfb128c75352]

Also known as: Helmet, Sea Horse

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
11.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
90m
Dial Color
Burgundy
Jewels
34j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1968

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