Seiko Cal. 5639 - 943

The 5639-943 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-dd8f489ba9ec]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1998

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