Seiko Cal. 6674 - 636

The 6674-636 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6674 caliber with 35j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-2c8bbf887ef3]

Also known as: UFO, Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1975

Related Models

• Seiko 0771-205
• Seiko 0739-235
• Seiko 6658-292
• Seiko 6228-205
• Seiko 7076-694
• Seiko 7059-944
• Seiko 3823-756
• Seiko 5289-144
• Seiko 7051-575
• Seiko 7191-138
• Seiko 7045-840
• Seiko 4527-283