A Watson Model 42 should have gear ratios:
1.49:1
1:1
0.83:1

The only 40 series Watsons listed with no overdrive are model 47 and 48.
(models 41-46 are OD with either .75 or .83)

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-