Seiko Cal. 6390 - 298

The Seiko 6390-298 represents an important milestone in Seiko's 1990 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-b5431885a32d]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1990

Related Models

• Seiko 6259-706
• Seiko 7191-395
• Seiko 4574-921
• Seiko 4454-587
• Seiko 0719-833
• Seiko 3840-263
• Seiko 6123-999
• Seiko 7130-928
• Seiko 6390-660
• Seiko 0732-460
• Seiko 6346-855
• Seiko 6228-198