Found these projects in our local watch forum and thought it would be nice to share. Some home-cooked Tunas and their accessories made by the members. What do you think?
Based on slim case SEIKO 6309-729x:
Based on 200m quartz diver:
Some custom bezels. Obviously based on Tuna SBBN007/017 OEM bezel:
Thanks for looking.
Based on slim case SEIKO 6309-729x:

Based on 200m quartz diver:



Some custom bezels. Obviously based on Tuna SBBN007/017 OEM bezel:


Thanks for looking.