Seiko Cal. 6671 - 766

This Hand-Winding model from 1976 features a 37mm PVD Black case. Powered by the 6671 caliber with 35j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-ecf952c9eaee]

Also known as: Monster, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1976

Related Models

• Seiko 3832-259
• Seiko 4490-467
• Seiko 6183-727
• Seiko 6668-384
• Seiko 6694-921
• Seiko 4599-481
• Seiko 3881-574
• Seiko 4421-292
• Seiko 6366-838
• Seiko 6665-688
• Seiko 6264-751
• Seiko 7187-509