Seiko Cal. 6690 - 523

This Hand-Winding model from 1967 features a 35mm Titanium case. With its 21mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-6add9b14850c]

Also known as: Rally, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1967

Related Models

• Seiko 3847-233
• Seiko 5217-574
• Seiko 4520-370
• Seiko 6129-432
• Seiko 5224-575
• Seiko 7021-359
• Seiko 6222-540
• Seiko 0743-832
• Seiko 6318-690
• Seiko 0781-654
• Seiko 3889-299
• Seiko 6311-576