Seiko Cal. 3893 - 587

Seiko 3893-587

This Spring Drive model from 1969 features a 35mm PVD Black case. Powered by the 3893 caliber with 32j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-e9a6f6126557]

Also known as: Helmet

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
35mm
Case Thickness
10.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
White
Jewels
32j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1969

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seikata-wm-e9a6f6126557