Seiko Cal. 6399 - 440

Released in 1975, the Cal. 6399 with design code 440 was part of Seiko's domestic market collection. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-fe7eacbad77b]

Also known as: Sea Horse, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1975

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