---
title: "stopwatch(startingAt:showsHours:maxFieldCount:maxPrecision:)"
framework: foundation
role: symbol
role_heading: Type Method
path: "foundation/formatstyle/stopwatch(startingat:showshours:maxfieldcount:maxprecision:)"
---

# stopwatch(startingAt:showsHours:maxFieldCount:maxPrecision:)

## Declaration

```swift
static func stopwatch(startingAt startDate: Date, showsHours: Bool = true, maxFieldCount: Int = 4, maxPrecision: Duration = .milliseconds(10)) -> SystemFormatStyle.Stopwatch
```