1) Japanese weight 
A Japanese unit of weight measurement for silk. One momme weighs 3.75 grams per unit. The higher the number, the heavier the silk.
A unit of weight used to measure cultured pearls in Japan. One momme is equivalent to 3.75 grams
Unit of weight = 58 grains troy or .1325 ounce or 3.7565 grams.
a Japanese unit of weight equal to 3.75 grams.