Seiko Cal. 6397 - 121

This Spring Drive model from 1984 features a 34mm Stainless Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-ebf2e8a0739f]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1984

Related Models

• Seiko 5679-155
• Seiko 5214-705
• Seiko 6614-700
• Seiko 4472-188
• Seiko 5651-132
• Seiko 7057-764
• Seiko 4537-471
• Seiko 5642-873
• Seiko 6631-264
• Seiko 6222-775
• Seiko 4557-738
• Seiko 5240-712