Tissot's Savonette T83.6.401.13 is a pocket watch with a savonette-style 49.55mm stainless steel case. It runs on hand-wound caliber 6498-1 with small seconds (earlier info mentioned a palladium-coated brass case).
Movement Type
Manual
Caliber
6498-1Jewels
17
Reserve
46
Frequency
18000
Hands
Small Seconds
Shape
Round
Material
Stainless Steel
Glass
Mineral
Diameter
49.55 mm
Dial Color
White