Seiko Cal. 3887 - 671

Seiko 3887-671

The 3887-671 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-99093f5d2603]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
13.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Green
Jewels
33j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1988

Related Models

seikata-wm-99093f5d2603