Grand Seiko First Grand Seiko
The December 1960 founding reference that launched Grand Seiko as Seiko's top-tier line, plus its faithful modern anniversary re-creations.
2 references
“Differs” marks a spec with different recorded values. — means not recorded.
| Spec | J14070 First Grand Seiko (original) | SBGW253 First Grand Seiko 60th Anniversary re-creation |
|---|---|---|
| Case size | Not recorded | 38 mm |
| Lug width | Not recorded | 19 mm |
| Case | Stainless steel, round | Stainless steel, round |
| Case maker | Suwa Seikosha | Not recorded |
| Bezel | stainless_steel fixed | stainless_steel fixed |
| Crystal Differs | acrylic | sapphire, anti-reflective coating |
| Caliber Differs | 3180 | 9S64 |
| Movement maker Differs | Suwa Seikosha | Seiko Watch Corporation (Shizukuishi Watch Studio) |
| Movement type | Manual | Manual |
| Jewels Differs | 25 | 24 |
| Frequency Differs | 18000 vph | 28800 vph |
| Power reserve Differs | 45 h | 72 h |
| Dial Differs | silver | silver-white |
| Indices | applied faceted | applied faceted |
| Hands | dauphine, steel | dauphine, steel |
| Bracelet Differs | leather strap | crocodile leather strap |
| Produced Differs | 1960–1963 | 2020 |