Reference T66.1.617.52 of the Tissot Porto Chronograph utilizes an ETA 251.471 quartz movement within a tonneau-shaped case and features a black dial.
Movement Type
Quartz
Caliber
251.471Jewels
23
Reserve
26280
Hands
Small Seconds
Shape
Tonneau
Material
Stainless Steel
Glass
Sapphire
Thickness
10.70 mm
Diameter
32.40 mm
Water Resistance
30.00 m
Dial Color
Black
