Seiko Cal. 6690 - 615

The Seiko 6690-615 represents an important milestone in Seiko's 1993 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-c1bd0eb05f5e]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1993

Related Models

• Seiko 6666-860
• Seiko 6656-386
• Seiko 6385-470
• Seiko 3849-621
• Seiko 6277-711
• Seiko 5259-527
• Seiko 7075-860
• Seiko 6246-841
• Seiko 5613-755
• Seiko 5262-614
• Seiko 5627-284
• Seiko 6277-321