Seiko Cal. 5639 - 198

The Seiko 5639-198 represents an important milestone in Seiko's 1986 lineup. With its 22mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-d55baf00de7b]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1986

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