Seiko Cal. 6388 - 723

The Seiko 6388-723 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-4dd5008ea9a2]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1973

Related Models

• Seiko 4553-713
• Seiko 5685-563
• Seiko 3833-412
• Seiko 6316-588
• Seiko 4580-524
• Seiko 0765-898
• Seiko 6632-245
• Seiko 6199-235
• Seiko 5673-363
• Seiko 6144-450
• Seiko 3898-546
• Seiko 5273-664