Seiko Cal. 6677 - 731

The 6677-731 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6677 caliber with 21j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-234d8eed37d4]

Also known as: Rally, Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1979

Related Models

• Seiko 7168-495
• Seiko 4543-714
• Seiko 5260-798
• Seiko 6676-779
• Seiko 6678-847
• Seiko 6351-306
• Seiko 6284-267
• Seiko 4590-811
• Seiko 6258-655
• Seiko 6617-439
• Seiko 6334-946
• Seiko 7041-356