Seiko Cal. 4588 - 990

This Solar model from 1970 features a 42mm Hardlex-Coated Steel case. It features a Navy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-a839933d8c44]

Also known as: Sumo, Panda

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1970

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