Seiko Cal. 6623 - 397

The Seiko 6623-397 represents an important milestone in Seiko's 1981 lineup. With its 22mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-805e43a4a760]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1981

Related Models

• Seiko 6353-766
• Seiko 5211-194
• Seiko 5262-916
• Seiko 6668-765
• Seiko 7054-798
• Seiko 6341-681
• Seiko 6138-310
• Seiko 6312-994
• Seiko 7115-327
• Seiko 6147-925
• Seiko 3879-963
• Seiko 3854-114