The later 550 watch, stainless steel only so far recorded.
Second digit "2"
| Case number | Movement number | Case | Dial | Hands | Dated | Notes |
| 325941 | 015239 | Stainless steel | Gloss black dial 11-327 | Restored in Japan iishop.co.jp - YouTube | ||
| 622994 | Stainless steel | Brown fade | Original bracelet | |||
| 822156 | 013302 | Stainless steel | Two tone silver with stone 09-327 | Jan 1973 | jrussbeauchamp.com | |
| 822256 | Stainless steel | Two tone silver | ||||
| 822351 | 013272 | Stainless steel | Two tone silver with stone 09-327 | Jan 1973 | Original flexible bracelet jrussbeauchamp.com | |
| 822793 | 018308 | Stainless steel | Blue dial without stone | Pointed | ||
| 822814 | 020379 | Stainless steel | Fading brown without stone 19-327 | Pointed | jrussbeauchamp.com | |
| 822973 | Stainless steel | Blue without stone | Pointed | |||
| 823449 | Stainless steel | Brown fade | ||||
| 823647 | Stainless steel | Brushed silver dial | ||||
| 823819 | 022483 | Stainless steel | Blue without stone 19-327 | Pointed | Mar 1973 | Original bracelet jrussbeauchamp.com |
| 825139 | 022774 | Stainless steel | Black with stone 11-327 | Apr 1973 | Original flexible bracelet jrussbeauchamp.com | |
| 825305 | Stainless steel | Two tone silver with stone 09-327 | ||||
| 825712 | Stainless steel | Two tone silver dial | ||||
| 825829 | Stainless steel | Blue black dial 11-327 | ||||
| ?????? | Stainless steel | Two tone silver with stone | ||||
| ?????? | Stainless steel | Blue dial | Pointed | |||
| 17 watches recorded |
Original flexible bracelet.
Original mesh bracelet, protective sticker on caseback.
Original flexible bracelet.