Seiko Cal. 5639 - 521

The 5639-521 is a sought-after Solar piece from Seiko's golden era. With its 19mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-d90464f8fe51]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1994

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