Seiko Cal. 6671 - 321

The Seiko 6671-321 represents an important milestone in Seiko's 1992 lineup. Powered by the 6671 caliber with 17j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-a8cfcec5238b]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1992

Related Models

• Seiko 5224-817
• Seiko 6392-547
• Seiko 7149-177
• Seiko 5619-637
• Seiko 4576-358
• Seiko 6164-655
• Seiko 0755-287
• Seiko 4543-334
• Seiko 7194-759
• Seiko 4524-134
• Seiko 5290-525
• Seiko 6332-338