Seiko Cal. 6646 - 381

The 6646-381 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-b9566369b0d2]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1999

Related Models

• Seiko 0783-997
• Seiko 6370-289
• Seiko 6198-479
• Seiko 5237-922
• Seiko 5653-647
• Seiko 5685-352
• Seiko 4464-807
• Seiko 0744-597
• Seiko 5698-852
• Seiko 6625-279
• Seiko 7032-438
• Seiko 5621-572