Which is cheaper, the Oblvlo JM Tourbillon or the Timefactors PRS-40?

At MSRP the Timefactors PRS-40 is the cheaper of the two at $315, against $516 for the Oblvlo JM Tourbillon — a $201 gap before any retailer discounting.

Which is bigger, the Oblvlo JM Tourbillon or the Timefactors PRS-40?

The Oblvlo JM Tourbillon wears larger at 42mm versus 40.2mm for the Timefactors PRS-40 — a 1.8mm difference across the dial.

Which has better water resistance, the Oblvlo JM Tourbillon or the Timefactors PRS-40?

The Timefactors PRS-40 is rated to 100m versus 50m for the Oblvlo JM Tourbillon.

Which has a longer power reserve, the Oblvlo JM Tourbillon or the Timefactors PRS-40?

The Oblvlo JM Tourbillon carries a 65-hour power reserve against 40 hours on the Timefactors PRS-40.

What movement does the Oblvlo JM Tourbillon run compared to the Timefactors PRS-40?

The Oblvlo JM Tourbillon runs a automatic caliber (OBL.8024), while the Timefactors PRS-40 runs a mecaquartz (Seiko VK61).

Side by side

Oblvlo JM TourbillonvsTimefactors PRS-40

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

Add a watch

Oblvlo JM Tourbillon

JM-TB

MSRP $516

Timefactors PRS-40

smiths-prs-40-chronograph

MSRP $315

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Buy used on eBay ↗

Buy from Timefactors ↗

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At a glance

13 of 29 specs differ

Diameter

JM Tourbillon42mm

PRS-4040.2mm

Power Reserve

JM Tourbillon65h

PRS-4040h

Water Resistance

JM Tourbillon50m

PRS-40100m

MSRP

JM Tourbillon$516

PRS-40$315

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Lume

Super-LumiNova

SuperLuminova C3

Movement

5 specs

Caliber

OBL.8024

Seiko VK61

Type

Automatic

Mecaquartz

Power Reserve

65h

40h

Jewels

Complications

Tourbillon

None

Pricing

1 specs

MSRP

$516

$315

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