Seiko Cal. 6391 - 570

Released in 1988, the Cal. 6391 with design code 570 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-69e18d615d2f]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1988

Related Models

• Seiko 5282-328
• Seiko 5262-480
• Seiko 6117-710
• Seiko 7014-299
• Seiko 7056-201
• Seiko 5692-346
• Seiko 4488-912
• Seiko 4579-635
• Seiko 6342-965
• Seiko 7141-440
• Seiko 7161-175
• Seiko 5276-181