Seiko Cal. 6617 - 596

Seiko 6617-596

The 6617-596 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6617 caliber with 31j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-fa019284bc32]

Also known as: Monster, Sumo

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
11.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1983

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