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Were relative, the comparative quality of some grades changed over the years as new grades Grade for one particular model may not be the highest grade for a different model,Įven though the names of the grades are the same. Grade designations for multiple sizes and models, which means that the highest 81", etc.) In addition, Waltham used many of the same Waltham used both named grades ("Appleton, Tracy & Co.", "Wm Ellery", "Vanguard", etc.)Īnd number grades ("992", "No. Often, however, the term "grade" is used merely to distinguish between minor variations,Īnd in some cases two different grades are actually identical except for the name. Significant, and a particular model can come in a variety of grades from low quality to high. The movement has screw-down jewel settings, etc. The variations that distinbguish different gradesĬan include such things as the number of jewels, how well-finished the movement is, whether Not always, associated with overall quality. Particular variations between examples of the same model that are usually, though The vast majority of the parts), whereas the grade of a watch indicates Shape of the plates and/or bridges, the layout of the (gear) train, and the design of The overall design of the watch's movement ( i.e., the the size and Goldberg's Pocket Watch Collection - Helpful Information - Waltham GradesĪs described elsewhere, the model of a watch is