Seiko Cal. 5658 - 718

This Solar model from 1978 features a 40mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-a73a4fb4f1bd]

Also known as: Sumo, Shogun

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1978

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