Seiko Cal. 6647 - 358

The Seiko 6647-358 represents an important milestone in Seiko's 1981 lineup. Powered by the 6647 caliber with 24j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-1232eeb58414]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1981

Related Models

• Seiko 6237-934
• Seiko 4516-349
• Seiko 6214-658
• Seiko 7121-143
• Seiko 6392-892
• Seiko 7189-195
• Seiko 6287-569
• Seiko 6689-585
• Seiko 4569-750
• Seiko 3866-207
• Seiko 5270-311
• Seiko 3884-755