Seiko Cal. 5639 - 335

The 5639-335 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-be940ce9db5b]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1998

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