Seiko Cal. 3887 - 948

Seiko 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

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