Seiko Cal. 5639 - 102

This Quartz model from 1978 features a 42mm Stainless Steel case. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-d984d7490e0f]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1978

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