Seiko Cal. 5639 - 842

The Seiko 5639-842 represents an important milestone in Seiko's 1980 lineup. It features a White dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-5db37f5bffc4]

Also known as: Turtle, Pogue

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1980

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