Seiko Cal. 6643 - 967

The Seiko 6643-967 represents an important milestone in Seiko's 1986 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-4a142c9d95fa]

Also known as: Silverwave, Flighty

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1986

Related Models

• Seiko 5284-989
• Seiko 5699-349
• Seiko 7020-211
• Seiko 6296-617
• Seiko 7150-472
• Seiko 7198-694
• Seiko 6247-401
• Seiko 0773-609
• Seiko 4575-859
• Seiko 6371-579
• Seiko 4451-605
• Seiko 4580-641