![Mint Very Rare 1988 Vintage CASIO W-720 W-720-9V (549) Japan T 38mm Watch Yellow – ASA College: Florida Mint Very Rare 1988 Vintage CASIO W-720 W-720-9V (549) Japan T 38mm Watch Yellow – ASA College: Florida](https://i.ebayimg.com/images/g/tY4AAOSwR6FlaUR8/s-l1600.jpg)
Mint Very Rare 1988 Vintage CASIO W-720 W-720-9V (549) Japan T 38mm Watch Yellow – ASA College: Florida
![any idea what module can be retro fitted on this?? it belonged to my grandfather, it's a w73 549 module : r/casio any idea what module can be retro fitted on this?? it belonged to my grandfather, it's a w73 549 module : r/casio](https://i.redd.it/yqpo0z3adxs81.jpg)
any idea what module can be retro fitted on this?? it belonged to my grandfather, it's a w73 549 module : r/casio
![Casio Premium Edifice Efr 549 Watch - Style 4, Hand Watch, हाथ की घड़ी, रिस्ट वाच - Javid Wahab, Chennai | ID: 2852701440433 Casio Premium Edifice Efr 549 Watch - Style 4, Hand Watch, हाथ की घड़ी, रिस्ट वाच - Javid Wahab, Chennai | ID: 2852701440433](http://5.imimg.com/data5/ECOM/Default/2023/10/353928427/BL/IF/CM/114709887/1658057850321-sku-1518-0-500x500.jpg)
Casio Premium Edifice Efr 549 Watch - Style 4, Hand Watch, हाथ की घड़ी, रिस्ट वाच - Javid Wahab, Chennai | ID: 2852701440433
![Amazon.com: Casio General Men's Watches Edifice Chronograph EF-549D-7AVDF - WW : Clothing, Shoes & Jewelry Amazon.com: Casio General Men's Watches Edifice Chronograph EF-549D-7AVDF - WW : Clothing, Shoes & Jewelry](https://m.media-amazon.com/images/I/716qo+VZ3iL._AC_UY900_.jpg)