This models created for subdivision - only quads and tri in mesh. All objects logicaly named and grouped.
Animation fully automaic and realtime. Seconds, minutes, hours - all works correctly. You no need to do anything. Animation based on script controllers and independed from animation leght or FPS.
You can change time on clock manualy by Custom Attribute modifier on any part of clock. Just click on group or any part and check modifiers. Subdivision level can be changed at the same modifiers panel, below the Custom Attr.
This model its render ready for Vray render and standart scanline render (or mental ray). Both scenes included in Max archive.
Note: 3DS and OBJ scenes do not include animations. Its only meshed models.
Model include 8 texture maps + hdri for reflections. All textures included and have logical names.