I'm led to believe that the last serial number from 1977 was 5,430,000 so a 5.44mil serial would be very early 1978 so your piece could well have been one of the last 1630's ever made! The dial, bezel, crown, hands and crystal look perfect so I suspect that may the case. You can always look at buyin
But you do need to be careful when buying these rare pieces. The original bracelet that came with the 1630 has three centre rows in 14K gold with the outer links in steel and is referenced 96673. Your bracelet has two links in 18K gold and is probably referenced 17013 or 17013 B. Definitely an Oyste
Rolex made a number of integrated designs during the 70's but never made a reference 1520. They did make the following: - 5100 'Texan' in solid 18K gold with a Beta 21 quartz movement from 1970-72 - with an official limited production of 1,000 pieces 1530 Date in solid steel from c.1974-77 1630 Date
They are very unique and not much is known about the piece so all that I have written is from research carried out over several months. They are very rare! Here's a wrist shot with my 1530
This is a stunning timepiece and very rare by Rolex standards. The 1530 was manufactured by Rolex for just three years from 1974 to 1977 with an estimated production of 500 to 1,500 pieces during its short production period. It was the prerequisite design to the OysterQuartz whereby Rolex replaced t