Seiko Cal. 6390 - 659

The Seiko 6390-659 represents an important milestone in Seiko's 1984 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-6b7c96a14969]

Also known as: UFO, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1984

Related Models

• Seiko 6345-634
• Seiko 6189-768
• Seiko 0741-802
• Seiko 6279-107
• Seiko 3837-448
• Seiko 6616-807
• Seiko 5235-579
• Seiko 0723-977
• Seiko 4552-212
• Seiko 7025-239
• Seiko 6377-975
• Seiko 6246-252