Detail
| Model | Grand Seiko 44GS |
| Product number | 4420-9990 |
| Year of manufacture | August 1967 |
| Movement | Manual winding (Cal.4420B) |
| Country of manufacture | Japan |
| Waterproof | Daily life waterproof |
| Case diameter | 37mm |
| Material | K14 Yellow Gold Field (14K gold plated) |
| Crystal material | plastic |
| Strap width | 18mm |
| Buckle width | 15mm |
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[SEIKO] Seiko Grand Seiko 44GS 4420-9990 with genuine buckle