Seiko Cal. 4478 - 403

The 4478-403 is a sought-after Solar piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-46749e27476e]

Also known as: Sumo, Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1971

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