Seiko Cal. 3880 - 915

The Seiko 3880-915 represents an important milestone in Seiko's 1977 lineup. Powered by the 3880 caliber with 18j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-c19043cc33c6]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1977

Related Models

• Seiko 7189-326
• Seiko 0755-187
• Seiko 7145-980
• Seiko 6274-984
• Seiko 5253-238
• Seiko 3898-891
• Seiko 6620-171
• Seiko 6621-635
• Seiko 6643-926
• Seiko 3870-664
• Seiko 6287-430
• Seiko 7174-677