Seiko Cal. 6399 - 580

Released in 1983, the Cal. 6399 with design code 580 was part of Seiko's domestic market collection. Powered by the 6399 caliber with 35j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-af49b5bb9e77]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1983

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