Seiko Cal. 5642 - 657

This Solar model from 1980 features a 43mm Gold-Plated case. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-556afe2bdac9]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1980

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