Which is cheaper, the Seiko 5 Sports Field series or the Boldr The T Rex By Boldr X Nitecore?

At MSRP the Seiko 5 Sports Field series is the cheaper of the two at $315, against $499 for the Boldr The T Rex By Boldr X Nitecore — a $184 gap before any retailer discounting.

Which is bigger, the Seiko 5 Sports Field series or the Boldr The T Rex By Boldr X Nitecore?

The Boldr The T Rex By Boldr X Nitecore wears larger at 40mm versus 39.4mm for the Seiko 5 Sports Field series — a 0.6mm difference across the dial.

Which has better water resistance, the Seiko 5 Sports Field series 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 5 Sports Field series.

Which has a longer power reserve, the Seiko 5 Sports Field series or the Boldr The T Rex By Boldr X Nitecore?

The Seiko 5 Sports Field series carries a 41-hour power reserve against 40 hours on the Boldr The T Rex By Boldr X Nitecore.

What movement does the Seiko 5 Sports Field series run compared to the Boldr The T Rex By Boldr X Nitecore?

Both watches run automatic movements — the Seiko 5 Sports Field series uses the 4R36 and the Boldr The T Rex By Boldr X Nitecore uses the Seiko NH35A.

Side by side

Seiko 5 Sports Field seriesvsBoldr The T Rex By Boldr X Nitecore

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

Seiko 5 Sports Field series

srpg27

MSRP $315

Boldr The T Rex By Boldr X Nitecore

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

MSRP $499

At a glance

14 of 29 specs differ

Diameter

5 Sports Field series39.4mm

The T Rex By Boldr X Nitecore40mm

Power Reserve

5 Sports Field series41h

The T Rex By Boldr X Nitecore40h

Water Resistance

5 Sports Field series100m

The T Rex By Boldr X Nitecore200m

MSRP

5 Sports Field series$315

The T Rex By Boldr X Nitecore$499

Full specifications

Case

5 specs

Crystal & Dial

5 specs

Crystal

Hardlex

Sapphire

Crystal Shape

Curved

Flat

AR Coating

Inner

Yes

Dial Color

Black

T-Rex by BOLDR x Nitecore

Lume

LumiBrite on hands and index(es)

Super-LumiNova

Movement

3 specs

Caliber

4R36

Seiko NH35A

Power Reserve

41h

40h

Jewels

Pricing

1 specs

MSRP

$315

$499

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