Seiko Cal. 3866 - 144

Seiko 3866-144

The 3866-144 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3866 caliber with 18j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-56ee49ab5f00]

Also known as: Rally, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
44mm
Case Thickness
14.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Champagne
Jewels
18j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1975

Related Models

seikata-wm-56ee49ab5f00