Seiko Cal. 5639 - 300

The 5639-300 is a sought-after Quartz piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-5d89720b50fd]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1997

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