Seiko Cal. 6391 - 905

This Quartz model from 1981 features a 36mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-e7c2a6f5bb99]

Also known as: Shogun, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1981

Related Models

• Seiko 6238-707
• Seiko 6280-920
• Seiko 6169-720
• Seiko 7135-672
• Seiko 0756-980
• Seiko 0799-172
• Seiko 6681-987
• Seiko 6364-512
• Seiko 5212-157
• Seiko 6281-453
• Seiko 3813-502
• Seiko 4582-531