Seiko Cal. 5639 - 742

The 5639-742 is a sought-after Solar piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-bef7807ed630]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1993

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