Seiko Cal. 6347 - 477

The Seiko 6347-477 represents an important milestone in Seiko's 1981 lineup. Powered by the 6347 caliber with 18j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-b7bfed4b08de]

Also known as: Tuna, Goldfeather

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1981

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