Seiko Cal. 5639 - 338

The 5639-338 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-eae0af94119b]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1990

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