Seiko Cal. 6390 - 934

Seiko 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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