Seiko Cal. 6390 - 590

The 6390-590 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6390 caliber with 35j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-8e004a5318ba]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1987

Related Models

• Seiko 7126-200
• Seiko 4491-598
• Seiko 6231-300
• Seiko 6393-252
• Seiko 4498-958
• Seiko 0749-832
• Seiko 6217-743
• Seiko 0715-717
• Seiko 6610-772
• Seiko 6273-809
• Seiko 5270-318
• Seiko 7097-107