Seiko Cal. 6390 - 426

This Quartz model from 1985 features a 42mm PVD Black case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-ed531140aebe]

Also known as: Sea Horse, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1985

Related Models

• Seiko 6316-108
• Seiko 6251-796
• Seiko 6329-845
• Seiko 3843-907
• Seiko 3886-171
• Seiko 6386-524
• Seiko 5651-134
• Seiko 5278-237
• Seiko 7197-464
• Seiko 4459-586
• Seiko 6235-164
• Seiko 6625-779