Which is cheaper, the Seiko Prospex SPEEDTIMER 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 $3,000 for the Seiko Prospex SPEEDTIMER — a $2,501 gap before any retailer discounting.

Which is bigger, the Seiko Prospex SPEEDTIMER or the Boldr The T Rex By Boldr X Nitecore?

The Seiko Prospex SPEEDTIMER wears larger at 42.5mm versus 40mm for the Boldr The T Rex By Boldr X Nitecore — a 2.5mm difference across the dial.

Which has better water resistance, the Seiko Prospex SPEEDTIMER or the Boldr The T Rex By Boldr X Nitecore?

The Boldr The T Rex By Boldr X Nitecore is rated to 200m versus 10m for the Seiko Prospex SPEEDTIMER.

Which has a longer power reserve, the Seiko Prospex SPEEDTIMER or the Boldr The T Rex By Boldr X Nitecore?

The Seiko Prospex SPEEDTIMER carries a 45-hour power reserve against 40 hours on the Boldr The T Rex By Boldr X Nitecore.

What movement does the Seiko Prospex SPEEDTIMER run compared to the Boldr The T Rex By Boldr X Nitecore?

Both watches run automatic movements — the Seiko Prospex SPEEDTIMER uses the 8R46 and the Boldr The T Rex By Boldr X Nitecore uses the Seiko NH35A.

Side by side

Seiko Prospex SPEEDTIMERvsBoldr The T Rex By Boldr X Nitecore

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

Seiko Prospex SPEEDTIMER

srq037j1

MSRP $3,000

Boldr The T Rex By Boldr X Nitecore

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

MSRP $499

At a glance

13 of 29 specs differ

Diameter

Prospex SPEEDTIMER42.5mm

The T Rex By Boldr X Nitecore40mm

Power Reserve

Prospex SPEEDTIMER45h

The T Rex By Boldr X Nitecore40h

Water Resistance

Prospex SPEEDTIMER100m

The T Rex By Boldr X Nitecore200m

MSRP

Prospex SPEEDTIMER$3,000

The T Rex By Boldr X Nitecore$499

Full specifications

Case

5 specs

Crystal & Dial

4 specs

Crystal Shape

Curved

Flat

AR Coating

Anti-reflective coating on inner surface

Yes

Dial Color

Black

T-Rex by BOLDR x Nitecore

Lume

LumiBrite on hands and index(es)

Super-LumiNova

Movement

3 specs

Caliber

8R46

Seiko NH35A

Power Reserve

45h

40h

Jewels

Pricing

1 specs

MSRP

$3,000

$499

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