Seiko Cal. 6690 - 728

The 6690-728 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-cff73e226d99]

Also known as: Goldfeather, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1990

Related Models

• Seiko 7033-706
• Seiko 7188-494
• Seiko 6276-634
• Seiko 7134-205
• Seiko 7048-765
• Seiko 0719-923
• Seiko 6653-293
• Seiko 4540-276
• Seiko 6618-498
• Seiko 6325-937
• Seiko 4541-844
• Seiko 3866-312