Seiko Cal. 6387 - 411

Seiko 6387-411

The 6387-411 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6387 caliber with 35j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-7cb4146dafdc]

Also known as: UFO, Emperor

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
10.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
White
Jewels
35j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1978

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