Seiko Cal. 6140 - 580

Released in 1976, the Cal. 6140 with design code 580 was part of Seiko's domestic market collection. Powered by the 6140 caliber with 28j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-66e0dd6ca421]

Also known as: UFO, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1976

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