Seiko Cal. 6391 - 165

The Seiko 6391-165 represents an important milestone in Seiko's 1994 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-262ea719cc8a]

Also known as: Tuna, Silverwave

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1994

Related Models

• Seiko 6379-680
• Seiko 5227-967
• Seiko 7015-173
• Seiko 6142-882
• Seiko 5687-324
• Seiko 6620-400
• Seiko 3852-702
• Seiko 7175-604
• Seiko 3867-891
• Seiko 6228-779
• Seiko 6318-719
• Seiko 5663-633