WatchSpecDBwatches, by spec

Hamilton Khaki Navy Scuba vs Halios Seaforth

Both are dive watches in the upper tier — here's how the specs differ and which to pick.

Last verified 2026-06-11 · specs from manufacturer data · tier = price band, confirm the live price at the retailer

SpecHamilton Khaki Navy ScubaHalios Seaforth
MovementAutomaticAutomatic
Water resistance100m200m
Case size40mm41mm
Crystalsapphiresapphire
StyleDiveDive
Price tierUpperUpper

Which should you buy?

Where to buy

Check the Hamilton Khaki Navy Scuba price on Amazon →

Check the Halios Seaforth price on Amazon →

As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Affiliate links never affect our specs or which watches we compare.

FAQ

What's the difference between the Hamilton Khaki Navy Scuba and the Halios Seaforth?
Both are dive watches in the upper tier. The Hamilton Khaki Navy Scuba is automatic, 100m water resistance, 40mm, sapphire crystal; the Halios Seaforth is automatic, 200m water resistance, 41mm, sapphire crystal.

Which has better water resistance, the Hamilton Khaki Navy Scuba or the Halios Seaforth?
The Halios Seaforth, rated 200m, versus 100m on the other. Pick 100m or higher for swimming and 200m+ for diving.

Which is better value, the Hamilton Khaki Navy Scuba or the Halios Seaforth?
Both sit in the upper tier, so it comes down to movement, water resistance and case size — see the spec table above.

More dive comparisons: Casio Duro MDV106 (Marlin) vs Orient Ray II · Seiko Prospex Turtle SRPE vs Seiko Prospex Solar Tuna SNE575 · Seiko Prospex Sumo SPB103 vs Casio G-Shock Frogman GWF-A1000 · Casio Duro MDV106 (Marlin) vs Orient Mako II · all dive watches · all comparisons