Seiko Cal. 3857 - 587

Seiko 3857-587

This Spring Drive model from 1965 features a 43mm Hardlex-Coated Steel case. Powered by the 3857 caliber with 18j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-89469a426e0b]

Also known as: Goldfeather

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
11.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
150m
Dial Color
Champagne
Jewels
18j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1965

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seikata-wm-89469a426e0b