Seiko Cal. 5664 - 760

The Seiko 5664-760 represents an important milestone in Seiko's 1981 lineup. Powered by the 5664 caliber with 28j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-f5f9763de098]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1981

Related Models

• Seiko 6659-997
• Seiko 7056-538
• Seiko 4531-703
• Seiko 6362-574
• Seiko 4492-512
• Seiko 7053-403
• Seiko 5283-872
• Seiko 4585-856
• Seiko 5624-510
• Seiko 6226-437
• Seiko 7174-862
• Seiko 7033-328