Which is cheaper, the Hamilton Jazzmaster Auto Chrono or the Oak & Oscar The Humboldt GMT Titanium?

At MSRP the Hamilton Jazzmaster Auto Chrono is the cheaper of the two at $2,095, against $2,950 for the Oak & Oscar The Humboldt GMT Titanium — a $855 gap before any retailer discounting.

Which is bigger, the Hamilton Jazzmaster Auto Chrono or the Oak & Oscar The Humboldt GMT Titanium?

The Hamilton Jazzmaster Auto Chrono wears larger at 42mm versus 39.5mm for the Oak & Oscar The Humboldt GMT Titanium — a 2.5mm difference across the dial.

Which has better water resistance, the Hamilton Jazzmaster Auto Chrono or the Oak & Oscar The Humboldt GMT Titanium?

The Oak & Oscar The Humboldt GMT Titanium is rated to 200m versus 100m for the Hamilton Jazzmaster Auto Chrono.

Which has a longer power reserve, the Hamilton Jazzmaster Auto Chrono or the Oak & Oscar The Humboldt GMT Titanium?

The Oak & Oscar The Humboldt GMT Titanium carries a 56 hours-hour power reserve against 60 hours on the Hamilton Jazzmaster Auto Chrono.

What movement does the Hamilton Jazzmaster Auto Chrono run compared to the Oak & Oscar The Humboldt GMT Titanium?

Both watches run automatic movements — the Hamilton Jazzmaster Auto Chrono uses the H-21 and the Oak & Oscar The Humboldt GMT Titanium uses the Sellita SW330.

Side by side

Hamilton Jazzmaster Auto ChronovsOak & Oscar The Humboldt GMT Titanium

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

Hamilton Jazzmaster Auto Chrono

h32506730

MSRP $2,095

Oak & Oscar The Humboldt GMT Titanium

HMBDLTGMTTI

MSRP $2,950

At a glance

16 of 29 specs differ

Diameter

Jazzmaster Auto Chrono42mm

The Humboldt GMT Titanium39.5mm

Power Reserve

Jazzmaster Auto Chrono60h

The Humboldt GMT Titanium56 hoursh

Water Resistance

Jazzmaster Auto Chrono100m

The Humboldt GMT Titanium200m

MSRP

Jazzmaster Auto Chrono$2,095

The Humboldt GMT Titanium$2,950

Full specifications

Case

8 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Double-domed

AR Coating

Inner

Underside

Dial Color

Black

Green

Lume

None

Super-LumiNova

Movement

3 specs

Caliber

H-21

Sellita SW330

Beat Rate

28,800 vph

4 vph

Power Reserve

60h

56 hoursh

Pricing

1 specs

MSRP

$2,095

$2,950

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