Seiko Cal. 6140 - 680

The Seiko 6140-680 represents an important milestone in Seiko's 1977 lineup. Powered by the 6140 caliber with 32j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-8cf2c6c89dd6]

Also known as: Goldfeather

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1977

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