Seiko Cal. 6240 - 748

The Seiko 6240-748 represents an important milestone in Seiko's 1979 lineup. Powered by the 6240 caliber with 26j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-c838e3b2a5e6]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1979

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