Seiko Cal. 4490 - 318

This Solar model from 1977 features a 40mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-c3dcd7f92ee2]

Also known as: Turtle, Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1977

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