Which is cheaper, the Formex Reef 39.5 mm 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 $2,230 for the Formex Reef 39.5 mm — a $1,731 gap before any retailer discounting.

Which is bigger, the Formex Reef 39.5 mm or the Boldr The T Rex By Boldr X Nitecore?

The Boldr The T Rex By Boldr X Nitecore wears larger at 40mm versus 39.5mm for the Formex Reef 39.5 mm — a 0.5mm difference across the dial.

Which has better water resistance, the Formex Reef 39.5 mm or the Boldr The T Rex By Boldr X Nitecore?

The Formex Reef 39.5 mm is rated to 300m versus 200m for the Boldr The T Rex By Boldr X Nitecore.

Which has a longer power reserve, the Formex Reef 39.5 mm or the Boldr The T Rex By Boldr X Nitecore?

The Formex Reef 39.5 mm carries a 56-hour power reserve against 40 hours on the Boldr The T Rex By Boldr X Nitecore.

What movement does the Formex Reef 39.5 mm run compared to the Boldr The T Rex By Boldr X Nitecore?

Both watches run automatic movements — the Formex Reef 39.5 mm uses the Sellita SW300-1 and the Boldr The T Rex By Boldr X Nitecore uses the Seiko NH35A.

Side by side

Formex Reef 39.5 mmvsBoldr The T Rex By Boldr X Nitecore

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

Formex Reef 39.5 mm

reef-39.5-automatic-chronometer-cosc-300m-bahama-blue

MSRP $2,230

Boldr The T Rex By Boldr X Nitecore

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

MSRP $499

At a glance

10 of 29 specs differ

Diameter

Reef 39.5 mm39.5mm

The T Rex By Boldr X Nitecore40mm

Power Reserve

Reef 39.5 mm56h

The T Rex By Boldr X Nitecore40h

Water Resistance

Reef 39.5 mm300m

The T Rex By Boldr X Nitecore200m

MSRP

Reef 39.5 mm$2,230

The T Rex By Boldr X Nitecore$499

Full specifications

Case

5 specs

Diameter

39.5mm

40mm

Thickness

11mm

12.3mm

Lug-to-Lug

45.5mm

46mm

Lug Width

22mm

20mm

Water Resistance

300m

200m

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

Bahama Blue

T-Rex by BOLDR x Nitecore

Movement

2 specs

Caliber

Sellita SW300-1

Seiko NH35A

Power Reserve

56h

40h

Pricing

1 specs

MSRP

$2,230

$499

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