Seiko Cal. 6240 - 497

The Seiko 6240-497 represents an important milestone in Seiko's 1981 lineup. Powered by the 6240 caliber with 26j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-c70e7bb5d683]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1981

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