Seiko Cal. 6639 - 601

The 6639-601 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-f8c4061abddd]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1970

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