Sinn 556 I vs Hamilton Khaki Field Titanium Auto
Both are field / explorer watches in the upper tier — here's how the specs differ and which to pick.
| Spec | Sinn 556 I | Hamilton Khaki Field Titanium Auto |
|---|---|---|
| Movement | Automatic | Automatic |
| Water resistance | 200m | 100m |
| Case size | 38.5mm | 42mm |
| Crystal | sapphire | sapphire |
| Style | Field / explorer | Field / explorer |
| Price tier | Upper | Upper |
Which should you buy?
- the Sinn 556 I takes more water (200m) — the one to pick if you actually swim or dive
- the Sinn 556 I wears 38.5mm vs the Hamilton Khaki Field Titanium Auto's 42mm — choose by wrist size
Where to buy
Check the Sinn 556 I price on Amazon →
Check the Hamilton Khaki Field Titanium Auto price on Amazon →
FAQ
What's the difference between the Sinn 556 I and the Hamilton Khaki Field Titanium Auto?
Both are field / explorer watches in the upper tier. The Sinn 556 I is automatic, 200m water resistance, 38.5mm, sapphire crystal; the Hamilton Khaki Field Titanium Auto is automatic, 100m water resistance, 42mm, sapphire crystal.
Which has better water resistance, the Sinn 556 I or the Hamilton Khaki Field Titanium Auto?
The Sinn 556 I, rated 200m, versus 100m on the other. Pick 100m or higher for swimming and 200m+ for diving.
Which is better value, the Sinn 556 I or the Hamilton Khaki Field Titanium Auto?
Both sit in the upper tier, so it comes down to movement, water resistance and case size — see the spec table above.
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