Seiko Cal. 3880 - 436

This Spring Drive model from 1999 features a 45mm PVD Black case. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-d3de8ed1f76d]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1999

Related Models

• Seiko 6152-915
• Seiko 5654-157
• Seiko 6659-849
• Seiko 5616-456
• Seiko 6259-153
• Seiko 6248-536
• Seiko 6228-901
• Seiko 4573-363
• Seiko 6362-148
• Seiko 7187-149
• Seiko 7139-173
• Seiko 7151-235