HOW TO OPEN NEW GRUEN CASES
In order to explain how to properly open the cases of the new Ristside Curvex watches the Gruen Watch Company has issued an instruction sheet which accompanies each shipment. For the benefit of the trade in general we are reprinting these instructions.
"To remove the straps from bezelInsert a small screwdriver through the hole in the strap-cover plate and push the spring bar back (until it is disengaged from its seat in the lug). At the same time pull cover plate outward from the case. Best results may be obtained by selecting the end of the spring bar with the single step shoulder.
"To remove back and movement - Remove both strap-cover plates and insert case opener between the lug and the thumb-piece on the back."
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