Seiko Cal. 5250 - 640

Released in 1979, the Cal. 5250 with design code 640 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-beece13be469]

Also known as: Monster, Bullhead

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1979

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