Seiko Cal. 3866 - 563

The 3866-563 is a sought-after Solar piece from Seiko's golden era. With its 22mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-455eba1005cd]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1973

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