Nocturnal with a more elaborate handle and pointer than is usual. Handle is broken and is marked 'for both bears'. Reverse of main disc is a numbered scale for the Great bear and the Little bear. Compass points marked with English initials. Date scale has named months, and is subdivided to two days. No hour scale on main disc. Pointer for little bear has straight edge against 4. Lunar age scale divide 0-29 1/2 .