Seiko Cal. 6240 - 944

The Seiko 6240-944 represents an important milestone in Seiko's 1978 lineup. Powered by the 6240 caliber with 27j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-dee7922cb6c7]

Also known as: Sea Horse, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1978

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