Which is cheaper, the Hamilton Khaki Aviation Day Date Auto or the Boldr Merlion 50th Anniversary?

At MSRP the Boldr Merlion 50th Anniversary is the cheaper of the two at $449, against $1,125 for the Hamilton Khaki Aviation Day Date Auto — a $676 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation Day Date Auto or the Boldr Merlion 50th Anniversary?

The Hamilton Khaki Aviation Day Date Auto wears larger at 42mm versus 40mm for the Boldr Merlion 50th Anniversary — a 2mm difference across the dial.

Which has better water resistance, the Hamilton Khaki Aviation Day Date Auto or the Boldr Merlion 50th Anniversary?

The Boldr Merlion 50th Anniversary is rated to 200m versus 100m for the Hamilton Khaki Aviation Day Date Auto.

Which has a longer power reserve, the Hamilton Khaki Aviation Day Date Auto or the Boldr Merlion 50th Anniversary?

The Hamilton Khaki Aviation Day Date Auto carries a 80-hour power reserve against 40 hours on the Boldr Merlion 50th Anniversary.

What movement does the Hamilton Khaki Aviation Day Date Auto run compared to the Boldr Merlion 50th Anniversary?

Both watches run automatic movements — the Hamilton Khaki Aviation Day Date Auto uses the H-40 and the Boldr Merlion 50th Anniversary uses the Seiko NH35A.

Side by side

Hamilton Khaki Aviation Day Date AutovsBoldr Merlion 50th Anniversary

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

Hamilton Khaki Aviation Day Date Auto

h64645131

MSRP $1,125

Boldr Merlion 50th Anniversary

merlion-50th-anniversary

MSRP $449

At a glance

10 of 29 specs differ

Diameter

Khaki Aviation Day Date Auto42mm

Merlion 50th Anniversary40mm

Power Reserve

Khaki Aviation Day Date Auto80h

Merlion 50th Anniversary40h

Water Resistance

Khaki Aviation Day Date Auto100m

Merlion 50th Anniversary200m

MSRP

Khaki Aviation Day Date Auto$1,125

Merlion 50th Anniversary$449

Full specifications

Case

4 specs

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

Black

Merlion 50th Anniversary

Lume

None

Super-LumiNova

Movement

2 specs

Caliber

H-40

Seiko NH35A

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$1,125

$449

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