Seiko Cal. 3897 - 657

This Spring Drive model from 1978 features a 41mm PVD Black case. It features a Champagne dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-ded93341407f]

Also known as: Monster, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1978

Related Models

• Seiko 7162-513
• Seiko 4593-260
• Seiko 5295-683
• Seiko 4531-885
• Seiko 7059-367
• Seiko 5258-803
• Seiko 3862-397
• Seiko 5625-937
• Seiko 6380-297
• Seiko 0753-581
• Seiko 3889-348
• Seiko 0717-352