Seiko Cal. 6240 - 506

Released in 1975, the Cal. 6240 with design code 506 was part of Seiko's domestic market collection. With its 19mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-de454ef4a167]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1975

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