Svea 123 Stove

optimus 123SVEA 123 stoves = 4,700 BTU'd Optimus 8r, and 99 = 3,300 BTU's. My own experience with both stoves seems to easily show the power difference between them. AsThe Optimus Svea - is an ultra-classic lhtweht white gas stove made of solid brass that has been around for a century and still sets the standard for compact outdoor cooking equipment.