Seiko Cal. 3887 - 948

The Seiko 3887-948 represents an important milestone in Seiko's 1985 lineup. Powered by the 3887 caliber with 28j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-692cbaf6274e]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1985

Related Models

• Seiko 7070-549
• Seiko 6684-162
• Seiko 5253-348
• Seiko 5213-741
• Seiko 6188-851
• Seiko 3888-308
• Seiko 6123-789
• Seiko 4582-201
• Seiko 0764-144
• Seiko 5285-750
• Seiko 6666-296
• Seiko 7049-149