Seiko Cal. 3887 - 447

This Spring Drive model from 1988 features a 34mm Stainless Steel case. With its 19mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-d700153968e1]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1988

Related Models

• Seiko 5618-383
• Seiko 6271-505
• Seiko 6154-769
• Seiko 0739-149
• Seiko 3839-649
• Seiko 3870-471
• Seiko 7091-142
• Seiko 5241-526
• Seiko 3863-218
• Seiko 4588-469
• Seiko 7095-312
• Seiko 4597-306