Which is cheaper, the Oblvlo FM SL Day-Date Square or the Hamilton Khaki Aviation Converter Auto?

At MSRP the Oblvlo FM SL Day-Date Square is the cheaper of the two at $158, against $1,345 for the Hamilton Khaki Aviation Converter Auto — a $1,187 gap before any retailer discounting.

Which is bigger, the Oblvlo FM SL Day-Date Square or the Hamilton Khaki Aviation Converter Auto?

The Hamilton Khaki Aviation Converter Auto wears larger at 42mm versus 39mm for the Oblvlo FM SL Day-Date Square — a 3mm difference across the dial.

Which has better water resistance, the Oblvlo FM SL Day-Date Square or the Hamilton Khaki Aviation Converter Auto?

The Hamilton Khaki Aviation Converter Auto is rated to 100m versus 50m for the Oblvlo FM SL Day-Date Square.

Which has a longer power reserve, the Oblvlo FM SL Day-Date Square or the Hamilton Khaki Aviation Converter Auto?

The Hamilton Khaki Aviation Converter Auto carries a 80-hour power reserve against 42 hours on the Oblvlo FM SL Day-Date Square.

What movement does the Oblvlo FM SL Day-Date Square run compared to the Hamilton Khaki Aviation Converter Auto?

Both watches run automatic movements — the Oblvlo FM SL Day-Date Square uses the Miyota 8215 and the Hamilton Khaki Aviation Converter Auto uses the H-10.

Side by side

Oblvlo FM SL Day-Date SquarevsHamilton Khaki Aviation Converter Auto

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Oblvlo FM SL Day-Date Square

FM-SL-DD-D

MSRP $158

Hamilton Khaki Aviation Converter Auto

h76615130

MSRP $1,345

At a glance

9 of 29 specs differ

Diameter

FM SL Day-Date Square39mm

Khaki Aviation Converter Auto42mm

Power Reserve

FM SL Day-Date Square42h

Khaki Aviation Converter Auto80h

Water Resistance

FM SL Day-Date Square50m

Khaki Aviation Converter Auto100m

MSRP

FM SL Day-Date Square$158

Khaki Aviation Converter Auto$1,345

Full specifications

Case

5 specs

Movement

3 specs

Caliber

Miyota 8215

H-10

Power Reserve

42h

80h

Jewels

Pricing

1 specs

MSRP

$158

$1,345

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