Seiko Cal. 6390 - 760

The 6390-760 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6390 caliber with 26j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-26c67331a828]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1985

Related Models

• Seiko 4418-639
• Seiko 4424-405
• Seiko 6232-470
• Seiko 7125-136
• Seiko 5641-754
• Seiko 7113-421
• Seiko 4435-970
• Seiko 6260-750
• Seiko 7070-251
• Seiko 7038-501
• Seiko 0716-383
• Seiko 5684-802