Which is cheaper, the Hamilton Jazzmaster Auto Chrono or the Boldr The T Rex By Boldr X Nitecore?

At MSRP the Boldr The T Rex By Boldr X Nitecore is the cheaper of the two at $499, against $1,845 for the Hamilton Jazzmaster Auto Chrono — a $1,346 gap before any retailer discounting.

Which is bigger, the Hamilton Jazzmaster Auto Chrono or the Boldr The T Rex By Boldr X Nitecore?

The Hamilton Jazzmaster Auto Chrono wears larger at 42mm versus 40mm for the Boldr The T Rex By Boldr X Nitecore — a 2mm difference across the dial.

Which has better water resistance, the Hamilton Jazzmaster Auto Chrono or the Boldr The T Rex By Boldr X Nitecore?

The Boldr The T Rex By Boldr X Nitecore 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 Boldr The T Rex By Boldr X Nitecore?

The Hamilton Jazzmaster Auto Chrono carries a 60-hour power reserve against 40 hours on the Boldr The T Rex By Boldr X Nitecore.

What movement does the Hamilton Jazzmaster Auto Chrono run compared to the Boldr The T Rex By Boldr X Nitecore?

Both watches run automatic movements — the Hamilton Jazzmaster Auto Chrono uses the H-31 and the Boldr The T Rex By Boldr X Nitecore uses the Seiko NH35A.

Side by side

Hamilton Jazzmaster Auto ChronovsBoldr The T Rex By Boldr X Nitecore

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

Hamilton Jazzmaster Auto Chrono

h32606735

MSRP $1,845

Boldr The T Rex By Boldr X Nitecore

the-t-rex-by-boldr-x-nitecore

MSRP $499

At a glance

11 of 29 specs differ

Diameter

Jazzmaster Auto Chrono42mm

The T Rex By Boldr X Nitecore40mm

Power Reserve

Jazzmaster Auto Chrono60h

The T Rex By Boldr X Nitecore40h

Water Resistance

Jazzmaster Auto Chrono100m

The T Rex By Boldr X Nitecore200m

MSRP

Jazzmaster Auto Chrono$1,845

The T Rex By Boldr X Nitecore$499

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

Black

T-Rex by BOLDR x Nitecore

Lume

None

Super-LumiNova

Movement

2 specs

Caliber

H-31

Seiko NH35A

Power Reserve

60h

40h

Pricing

1 specs

MSRP

$1,845

$499

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