Seiko Cal. 6387 - 591

The Seiko 6387-591 represents an important milestone in Seiko's 1986 lineup. With its 20mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-3d423b6703ec]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1986

Related Models

• Seiko 4580-447
• Seiko 3839-815
• Seiko 6341-523
• Seiko 7060-634
• Seiko 6162-336
• Seiko 6110-295
• Seiko 6232-876
• Seiko 3835-245
• Seiko 6186-837
• Seiko 0729-849
• Seiko 4464-197
• Seiko 6610-712