Seiko Cal. 5639 - 797

This Quartz model from 1972 features a 45mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-dd8cb44ed380]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1972

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