Seiko Cal. 5688 - 888

The Seiko 5688-888 represents an important milestone in Seiko's 1976 lineup. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-d6b1b346e7bf]

Also known as: Tuna, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1976

Related Models

• Seiko 5684-569
• Seiko 7084-760
• Seiko 6393-414
• Seiko 6659-102
• Seiko 6294-498
• Seiko 5649-818
• Seiko 3822-948
• Seiko 6387-600
• Seiko 4447-461
• Seiko 4532-635
• Seiko 6141-284
• Seiko 6138-281