Seiko Cal. 6671 - 871

Released in 1965, the Cal. 6671 with design code 871 was part of Seiko's domestic market collection. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a17be59bdb30]

Also known as: Helmet, Crown

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1965

Related Models

• Seiko 4474-717
• Seiko 7133-401
• Seiko 0710-550
• Seiko 6266-984
• Seiko 7169-844
• Seiko 7132-723
• Seiko 7130-239
• Seiko 6677-143
• Seiko 6389-463
• Seiko 7060-900
• Seiko 6358-354
• Seiko 4486-332