Seiko Cal. 6390 - 555

The Seiko 6390-555 represents an important milestone in Seiko's 1969 lineup. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-12ef491c2617]

Also known as: UFO, Goldfeather

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1969

Related Models

• Seiko 0749-232
• Seiko 7064-530
• Seiko 6321-725
• Seiko 5623-895
• Seiko 5644-622
• Seiko 7122-162
• Seiko 7013-684
• Seiko 7111-263
• Seiko 4527-329
• Seiko 6129-124
• Seiko 6346-495
• Seiko 6350-687