Seiko Cal. 3898 - 674

This Spring Drive model from 1975 features a 38mm Hardlex-Coated Steel case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-f7702c90ac8b]

Also known as: Shogun, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1975

Related Models

• Seiko 4585-378
• Seiko 7023-775
• Seiko 6131-839
• Seiko 6368-989
• Seiko 4451-528
• Seiko 6386-782
• Seiko 3825-740
• Seiko 6239-244
• Seiko 7083-967
• Seiko 4540-469
• Seiko 3882-156
• Seiko 7044-875