Seiko Cal. 5639 - 745

The Seiko 5639-745 represents an important milestone in Seiko's 1998 lineup. It features a Cream dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-f8d5f1567d78]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1998

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