Seiko Cal. 6671 - 399

The Seiko 6671-399 represents an important milestone in Seiko's 1989 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-09dbc6cd280f]

Also known as: Turtle, Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1989

Related Models

• Seiko 5242-884
• Seiko 5648-530
• Seiko 3826-312
• Seiko 4485-411
• Seiko 3826-566
• Seiko 4477-810
• Seiko 7132-408
• Seiko 6635-262
• Seiko 6251-515
• Seiko 7029-774
• Seiko 6353-258
• Seiko 4562-898