Seiko Cal. 6657 - 732

This Hand-Winding model from 1983 features a 38mm Gold-Plated case. Powered by the 6657 caliber with 18j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-4b9bf1236e8e]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1983

Related Models

• Seiko 6640-390
• Seiko 7137-509
• Seiko 6337-250
• Seiko 6249-235
• Seiko 7083-974
• Seiko 3856-263
• Seiko 6174-596
• Seiko 6640-485
• Seiko 7160-315
• Seiko 7011-673
• Seiko 0783-801
• Seiko 4530-438