Barry, welcome to our world. At that time the Leica, Nikon, Swarovski, and Zeiss pockets weighed as follows respectively in their higher/highest-tier compact models.
8x20: 8.5, 9.5, 7.6, 7.9 oz. 10x25: 9.3, 10.6 ;-(, 8.1, 8.8 oz.
That was Ultravid with Leica, who also had Trinovid in these...