Seiko Cal. 5639 - 506

This Quartz model from 1997 features a 37mm Titanium case. Powered by the 5639 caliber with 17j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-39e681caeee6]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1997

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