Seiko Cal. 6140 - 684

The Seiko 6140-684 represents an important milestone in Seiko's 1977 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-9c55729c2b27]

Also known as: Tuna, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

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