Seiko Cal. 6390 - 991

This Automatic model from 1986 features a 34mm Hardlex-Coated Steel case. With its 20mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-e0d417638d93]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1986

Related Models

• Seiko 3855-578
• Seiko 4455-653
• Seiko 7029-844
• Seiko 4420-477
• Seiko 0766-125
• Seiko 7125-958
• Seiko 6331-199
• Seiko 7181-778
• Seiko 4410-174
• Seiko 0791-344
• Seiko 7130-348
• Seiko 6334-179