Seiko Cal. 5250 - 866

The 5250-866 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-a3947fc6c93c]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1970

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