Seiko Cal. 6240 - 150

The Seiko 6240-150 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-8d5ca780e8e9]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1977

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