Which is cheaper, the Spinnaker Cahill Automatic or the Boldr The T Rex By Boldr X Nitecore?

At MSRP the Spinnaker Cahill Automatic is the cheaper of the two at $350, against $499 for the Boldr The T Rex By Boldr X Nitecore — a $149 gap before any retailer discounting.

Which is bigger, the Spinnaker Cahill Automatic or the Boldr The T Rex By Boldr X Nitecore?

The Spinnaker Cahill Automatic wears larger at 42mm versus 40mm for the Boldr The T Rex By Boldr X Nitecore — a 2mm difference across the dial.

What movement does the Spinnaker Cahill Automatic run compared to the Boldr The T Rex By Boldr X Nitecore?

Both watches run automatic movements — the Spinnaker Cahill Automatic uses the SII NH35A and the Boldr The T Rex By Boldr X Nitecore uses the Seiko NH35A.

Side by side

Spinnaker Cahill AutomaticvsBoldr The T Rex By Boldr X Nitecore

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

Spinnaker Cahill Automatic

cahill-automatic-moss-green-sp-5064-02

MSRP $350

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

Cahill Automatic42mm

The T Rex By Boldr X Nitecore40mm

Power Reserve

Cahill Automatic40h

The T Rex By Boldr X Nitecore40h

Water Resistance

Cahill Automatic200m

The T Rex By Boldr X Nitecore200m

MSRP

Cahill Automatic$350

The T Rex By Boldr X Nitecore$499

Full specifications

Case

5 specs

Diameter

42mm

40mm

Thickness

13.7mm

12.3mm

Lug-to-Lug

51mm

46mm

Lug Width

22mm

20mm

Material

316L Stainless Steel

Stainless Steel

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

Green

T-Rex by BOLDR x Nitecore

Lume

None

Super-LumiNova

Movement

1 specs

Caliber

SII NH35A

Seiko NH35A

Pricing

1 specs

MSRP

$350

$499

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