Seiko Cal. 5688 - 741

This Quartz model from 1986 features a 39mm Hardlex-Coated Steel case. With its 22mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-d262f56edf5a]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1986

Related Models

• Seiko 6335-931
• Seiko 4478-395
• Seiko 5245-829
• Seiko 0752-358
• Seiko 5219-735
• Seiko 3866-557
• Seiko 7027-567
• Seiko 5677-522
• Seiko 5632-198
• Seiko 5260-895
• Seiko 4474-393
• Seiko 4477-911