Seiko Cal. 5639 - 487

The 5639-487 is a sought-after Solar piece from Seiko's golden era. With its 22mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-a9ac5bee35e9]

Also known as: Sumo, Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1997

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