development of digital wrist watch using vhdl

[thalapathi]

can someone help me out on the codes of developing a digital wrist watch using vhdl whereby the clock can be set in the final product and it should work like the real clock and it must be displayed in the seven segment decoder when the final product is made after the completion of the vhdl codes... as far as i know we can use the clock divider, the decoder and a counter for developing this digital clock but since i am just starting to learn the language its quite hard to implement it...the input clock that i'm using is 16 MHz.it would be really very helpful if someone could help me with the codes... i really appreciate it.. thank u...