Seiko Cal. 6690 - 646

This Spring Drive model from 1997 features a 36mm Stainless Steel case. With its 22mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-f3e34311bf19]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1997

Related Models

• Seiko 5688-262
• Seiko 5279-165
• Seiko 5679-987
• Seiko 7175-554
• Seiko 5676-200
• Seiko 6283-845
• Seiko 5245-841
• Seiko 5672-439
• Seiko 7026-852
• Seiko 7026-133
• Seiko 0785-309
• Seiko 5649-974