Seiko Cal. 6647 - 956

Released in 1965, the Cal. 6647 with design code 956 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-057cc178dc54]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1965

Related Models

• Seiko 6647-275
• Seiko 5690-566
• Seiko 5244-330
• Seiko 0723-477
• Seiko 0711-130
• Seiko 5626-977
• Seiko 6178-634
• Seiko 6219-540
• Seiko 6226-855
• Seiko 7182-162
• Seiko 6129-297
• Seiko 6291-931