Seiko Cal. 6399 - 660

The Seiko 6399-660 represents an important milestone in Seiko's 1967 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-338da7368fd0]

Also known as: Bullhead, Arnie

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1967

Related Models

• Seiko 3832-765
• Seiko 4554-308
• Seiko 7021-526
• Seiko 6280-786
• Seiko 6115-202
• Seiko 6297-931
• Seiko 6227-341
• Seiko 4530-311
• Seiko 7035-441
• Seiko 5246-524
• Seiko 7113-978
• Seiko 7173-961