Seiko Cal. 6663 - 947

The Seiko 6663-947 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-f125225c86ee]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1983

Related Models

• Seiko 6663-922
• Seiko 4494-264
• Seiko 3871-532
• Seiko 6624-714
• Seiko 4534-770
• Seiko 0741-420
• Seiko 6185-184
• Seiko 7182-218
• Seiko 5263-593
• Seiko 6154-959
• Seiko 4493-391
• Seiko 6360-504