Seiko Cal. 4517 - 378

The 4517-378 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-74902e95f131]

Also known as: Sumo, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1985

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