Seiko Cal. 6640 - 966

The Seiko 6640-966 represents an important milestone in Seiko's 1997 lineup. It features a White dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-2098072a6e21]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1997

Related Models

• Seiko 6146-499
• Seiko 6257-634
• Seiko 4514-392
• Seiko 4593-633
• Seiko 6353-692
• Seiko 5674-937
• Seiko 4420-127
• Seiko 5696-587
• Seiko 4553-722
• Seiko 6180-368
• Seiko 6162-705
• Seiko 4545-954