Seiko Cal. 6390 - 934

The Seiko 6390-934 represents an important milestone in Seiko's 1968 lineup. Powered by the 6390 caliber with 28j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-6fbd02922b42]

Also known as: Rally, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1968

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