Seiko Cal. 6140 - 534

The Seiko 6140-534 represents an important milestone in Seiko's 1977 lineup. Powered by the 6140 caliber with 19j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-48d89e231c2c]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1977

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