Seiko Cal. 6371 - 442

This Spring Drive model from 1987 features a 43mm Gold-Plated case. Powered by the 6371 caliber with 17j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-89e539f89a56]

Also known as: Silverwave, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1987

Related Models

• Seiko 7049-731
• Seiko 6215-762
• Seiko 6329-664
• Seiko 5665-158
• Seiko 6186-473
• Seiko 7115-247
• Seiko 5624-653
• Seiko 7063-503
• Seiko 6339-948
• Seiko 6379-162
• Seiko 6618-219
• Seiko 7045-503