Seiko Cal. 6397 - 855

The Seiko 6397-855 represents an important milestone in Seiko's 1973 lineup. With its 19mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-7c977c8e0467]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1973

Related Models

• Seiko 6154-679
• Seiko 6652-759
• Seiko 5256-704
• Seiko 4514-716
• Seiko 7162-545
• Seiko 7018-456
• Seiko 6373-779
• Seiko 6298-977
• Seiko 6171-397
• Seiko 5254-191
• Seiko 7142-333
• Seiko 0760-278