Compare › Seamaster Planet Ocean 600M vs Seamaster Diver 300M
Omega Seamaster Planet Ocean 600M vs Omega Seamaster Diver 300M
Which one holds its value, sells faster and costs less? Five rounds, scored on real recorded eBay sales.
Sales data through October 29, 2026 · last 12 months
WON0
Sells over retail
ROUND 1Easier to resell
ROUND 2Investment grade
ROUND 3Cheaper to buy today
ROUND 41-year price trend
ROUND 5What matters most to you?
Pick one and we'll call it.
Price history
Typical resale value over time. Hover or tap the chart.
Side by side
| Seamaster Planet Ocean 600M | Seamaster Diver 300M | |
|---|---|---|
| Typical sale | $4,500 | $4,500 |
| Middle half of sales | $3,900 to $4,800 | $4,200 to $4,800 |
| Boutique retail | $8,000 | $6,700 |
| vs retail | -44% | -33% |
| Sales, 12 months | 39 | 94 |
| 1-year trend | 0% | +4% |
| Grade | B- (71) | A (84) |
| Today's call | hold | wait for a dip |
Quick answers
Which holds its value better, the Omega Seamaster Planet Ocean 600M or the Omega Seamaster Diver 300M?
The Seamaster Diver 300M. It grades A (84/100) against B- (71/100), and sells 33% under retail vs 44% under.
Which is cheaper to buy used?
The Seamaster Planet Ocean 600M: typical eBay sale $4,500 vs $4,500 for the Seamaster Diver 300M.
Which is easier to resell?
The Seamaster Diver 300M, with 94 recorded eBay sales in the last 12 months vs 39.
More head-to-heads
Typical sale is the median recorded eBay sale (buyer-paid, before seller fees, each listing counted once). Retail is the current US boutique price where one exists. Grades and today's call come from the Crown Index Vaults. Past prices are not a forecast. Some outbound links are affiliate links.