| Brand | Seiko |
| Model / family | Seiko 5 |
| Recorded reference | 6309-611A |
| Movement | Mechanical (Automatic) |
| Jewels | 17 Jewels |
| Dial colour | Dark Green |
| Case material | Stainless Steel |
| Bracelet / strap material | Stainless Steel |
| Clasp / closure | Fold-Over Push-Button Deployant |
| Functions | 12-Hour Dial, Day/Date |
| Recorded case size | 43 mm |
| Recorded case thickness | 11 mm |
| Recorded lug width | 10 mm |
| Recorded band width | 20 mm |
| Recorded wrist fit | 8.26 - 8.5 in |
| Recorded manufacture period | 1980-1989 |
| Recorded country of origin | Japan |
| Original box included | No |
| Papers included | No |
| Service records included | No |
Calendar languages previously described: English/Arabic. Please inspect the photographed day wheel.
Seller-reported operation: The watch is working. Current timing accuracy and power reserve have not been independently verified.
Cosmetic condition: Pre-owned watch. Please inspect all photographs for the case, dial, crystal, bracelet and clasp condition. The seller previously recorded the watch as working. Previous condition notes: Excellent vintage condition. The watch works accurately and efficiently, with all functions meticulously tested. The movement runs strong, and the day/date quickset operates flawlessly. The case has been conservatively and thoroughly cleaned, remaining completely unpolished to preserve the original case geometry, factory lines, and true vintage character. Ready to wear.
Water resistance is untested and is not guaranteed. The watch should be kept away from water. Dimensions and dating are the previously recorded listing information unless supported by photographed measurements or markings. Originality of every component and earlier polishing history have not been independently established.
The listing is for the photographed watch and fitted bracelet or strap. Refer to the box and papers entries above for included original accessories. Combined shipping is available for multiple purchases.