| Displacement | 206t standard, 225t normal |
|---|---|
| Length | 45.30m pp, 45.30m wl, 46.30m oa |
| Width | 6.30m |
| Draught | 0.92m |
| Machinery | 2-shaft recipro, 2 boilers, 1300ihp |
| Speed | 16.7kt |
| Armament | 1-8cm/28cal gun, 6 MGs |
| Complement | 77 |
| Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|
| Atami | FY1927 | Mitsui, Tama | 1928.11. 6 | 1929. 3.30 | 1929. 6.30 | GB2 | 1931. 5.30 GB 1944.10. 1 GB 1945. 9 to Chi 1945. 9.30 disc |
| Futami | FY1927 | Fujinagata SB | 1929. 6.25 | 1929.11.20 | 1930. 2.28 | GB2 | 1931. 5.30 GB 1944.10. 1 GB 1945. 9 to Chi 1945. 9.30 disc |