Seiko Cal. 6686 - 317

Seiko 6686-317

This Spring Drive model from 1990 features a 39mm Stainless Steel case. Powered by the 6686 caliber with 17j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-71bcd01d5e41]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
14.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Green
Jewels
17j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1990

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seikata-wm-71bcd01d5e41