Seiko Cal. 6390 - 946

The 6390-946 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6390 caliber with 30j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-7408eed71238]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1968

Related Models

• Seiko 6197-395
• Seiko 6668-217
• Seiko 3854-726
• Seiko 6227-934
• Seiko 5211-131
• Seiko 7141-666
• Seiko 0726-535
• Seiko 0750-749
• Seiko 5288-708
• Seiko 4434-126
• Seiko 6285-686
• Seiko 6648-228