Seiko Cal. 6399 - 444

The Seiko 6399-444 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-cbdd8be30616]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1971

Related Models

• Seiko 6393-305
• Seiko 5270-665
• Seiko 6326-154
• Seiko 3857-812
• Seiko 7159-477
• Seiko 3850-441
• Seiko 3862-683
• Seiko 6352-784
• Seiko 5271-960
• Seiko 4578-465
• Seiko 0728-682
• Seiko 4413-193