Seiko Cal. 6647 - 733

This Automatic model from 1968 features a 42mm Gold-Plated case. Powered by the 6647 caliber with 20j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-ded2ae20f2c8]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1968

Related Models

• Seiko 6120-447
• Seiko 6325-924
• Seiko 6698-342
• Seiko 3852-100
• Seiko 7044-671
• Seiko 6284-138
• Seiko 0790-667
• Seiko 3887-804
• Seiko 7016-627
• Seiko 6316-494
• Seiko 5223-714
• Seiko 0792-609