| Manufacturer | Tissot |
| Caliber Number | 27-1T |
| Movement Type | Mechanical, manual-wind |
| Vibrations Per Hour | 18,000 bph |
| Jewels | 15 |
| Power Reserve | 43 hours |
| Diameter | 12”’ (26.50mm) |
| Lift Angle | 52 |
| Height | 4.05mm |
| Hands | 1.50mm, 0.80mm, 0.21mm |
| Hairspring | Flat |
| Shock Absorber | Incabloc |
| Hacking? | (Add to comments below) |
| Stem | W2120 |
| Functions | Hours, minutes, small seconds |
| Country of Manufacture | Switzerland |
| Known Models | Vintage Tissot Antimagnetique (add more to comments below) |
The Tissot caliber 27-1T was produced in Switzerland. The base caliber is a Tissot 27 which was released in 1936 and produced until 1949. Following 1949, many variations were introduced and manufactured until about 1961. The movement pictured here is a 27-1T, produced in circa 1950-1952. The 1T indicates that the movement is equipped with an Incabloc shock system.
The movement pictured above is from a Tissot Antimagnetique watch.
Caliber submitted by wahawatches.com
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