Seiko Cal. 3867 - 591

Seiko 3867-591

The 3867-591 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3867 caliber with 20j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-28d1fa544edd]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
11.4mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Navy
Jewels
20j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1986

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