Seiko Cal. 3866 - 587

Seiko 3866-587

The 3866-587 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3866 caliber with 34j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-8217db9f7d1b]

Also known as: Sea Horse

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
43mm
Case Thickness
12.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
190m
Dial Color
Champagne
Jewels
34j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1965

Related Models

seikata-wm-8217db9f7d1b