Seiko Cal. 6390 - 344

The Seiko 6390-344 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-b771ef739119]

Also known as: Navigator, Sea Horse

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1970

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