Seiko Cal. 6671 - 721

The Seiko 6671-721 represents an important milestone in Seiko's 1981 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-4dcdd176b1c4]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1981

Related Models

• Seiko 0717-804
• Seiko 5649-174
• Seiko 7065-965
• Seiko 6349-589
• Seiko 6386-646
• Seiko 6192-136
• Seiko 7136-988
• Seiko 4464-216
• Seiko 0757-975
• Seiko 4585-944
• Seiko 5252-811
• Seiko 4538-473