Seiko Cal. 6240 - 566

The Seiko 6240-566 represents an important milestone in Seiko's 1978 lineup. Powered by the 6240 caliber with 34j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-a7f714ff57ff]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1978

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