Tissot Chrono Janiero, 1996 Tissot chronograph, vintage Swiss watch, COSC chronometer, mechanical chronograph, Swissair watch, ZeitZone Tissot service by Master Watchmaker Sandro Bosch, chronograph for sale, Swiss horology, vintage timepiece, collectible watch, precision chronometer, mid-century design, original owner watch. | Aspect | Grade | Notes |
|--------|-------|-------|
| Case | 8.5/10 | Light patina, no major damage |
| Dial | 9/10 | Original, vibrant, excellent lume |
| Crystal | 8/10 | Original glass, minor surface wear |
| Movement | 9/10 | Excellent timekeeping, COSC certified |
| Completeness | 10/10 | Original strap, full documentation |
| **Overall** | **9/10** | **Museum-quality vintage** |
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