Compare Studio
6309-7049 vs SRPE05
Differences are highlighted. Rows where both references share a value are dimmed.
| Specification | ||
|---|---|---|
| Nickname | — | King Turtle |
| Production | 1976–1988 | 2020–present |
| Era | Export cushion diver, alternate market code | Sapphire and ceramic Turtle |
| Status | discontinued | current |
| Case diameter | 44mm | 45mm |
| Lug width | 22mm | — |
| Case material | Stainless steel | Stainless steel |
| Construction | Cushion case, crown at 4 | — |
| Bezel | Unidirectional 60-minute | Unidirectional 60-minute, ceramic insert |
| Bezel material | — | Ceramic |
| Crystal | Hardlex | Sapphire |
| Crown | Screw-down crown at 4 | Screw-down crown at 4 |
| Water resistance | 150m | 200m |
| Dial | Black | Black with waffle texture |
| Lume | — | LumiBrite |
| Lume type | — | LumiBrite |
| Movement | Automatic | Automatic |
| Caliber | 6309A | 4R36 |
| Manufacturer | Seiko | Seiko |
| Winding | automatic | automatic |
| Frequency | 21,600 vph | — |
| Jewels | 17 | — |
| Complications | Day-date; non-hacking, non-hand-winding | Day-date, hacking, hand-winding |