Having been a UN AD back then, the RG, YG & WG versions, were made in 150pc editions with enamel dials/no date. The RG edition of 150pcs, however was added to by Rolf, who decided to make a few more for his friends...how many we may never know! The pl...
Great to hear about the extra RG pieces. I have seen pieces with this different numbering but not realised it was in addition to the original run (I still believe the original run was 250 - Perpetual Ludwig was 150 pieces) - I have seen a piece numbered 3...
Interestingly I have some UN brochures for the Marine Chronometer with the total shown as 900 (300 each model) which then has a sticker over the number changing it to 750 - I guess originally they were making 300 of each.