Seiko Cal. 6242 - 906

The Seiko 6242-906 represents an important milestone in Seiko's 1979 lineup. Powered by the 6242 caliber with 23j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-bc782f95fa02]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1979

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