Seiko Cal. 6240 - 817

Seiko 6240-817

The 6240-817 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6240 caliber with 27j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-6bccd970cd37]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
9.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1976

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seikata-wm-6bccd970cd37