Seiko Cal. 6287 - 163

Seiko 6287-163

The 6287-163 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6287 caliber with 34j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-53b1c3f90245]

Also known as: Sumo, World Timer

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
10.7mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
40m
Dial Color
Black
Jewels
34j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1977

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seikata-wm-53b1c3f90245