Which is cheaper, the Oblvlo JM Rotor or the Marathon MSAR (Medium Search & Rescue) Diver's Automatic?

At MSRP the Oblvlo JM Rotor is the cheaper of the two at $299, against $1,800 for the Marathon MSAR (Medium Search & Rescue) Diver's Automatic — a $1,501 gap before any retailer discounting.

Which is bigger, the Oblvlo JM Rotor or the Marathon MSAR (Medium Search & Rescue) Diver's Automatic?

The Oblvlo JM Rotor wears larger at 42mm versus 36mm for the Marathon MSAR (Medium Search & Rescue) Diver's Automatic — a 6mm difference across the dial.

Which has better water resistance, the Oblvlo JM Rotor or the Marathon MSAR (Medium Search & Rescue) Diver's Automatic?

The Marathon MSAR (Medium Search & Rescue) Diver's Automatic is rated to 300m versus 50m for the Oblvlo JM Rotor.

Which has a longer power reserve, the Oblvlo JM Rotor or the Marathon MSAR (Medium Search & Rescue) Diver's Automatic?

The Oblvlo JM Rotor carries a 42-hour power reserve against 40 hours on the Marathon MSAR (Medium Search & Rescue) Diver's Automatic.

What movement does the Oblvlo JM Rotor run compared to the Marathon MSAR (Medium Search & Rescue) Diver's Automatic?

Both watches run automatic movements — the Oblvlo JM Rotor uses the Miyota 8215 and the Marathon MSAR (Medium Search & Rescue) Diver's Automatic uses the Sellita SW200-1.

Side by side

Oblvlo JM RotorvsMarathon MSAR (Medium Search & Rescue) Diver's Automatic

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

Oblvlo JM Rotor

JM-ROTOR

MSRP $299

Marathon MSAR (Medium Search & Rescue) Diver's Automatic

arctic-edition-medium-divers-automatic-msar-auto-with-stainless-steel-bracelet-36mm

MSRP $1,800

At a glance

12 of 29 specs differ

Diameter

JM Rotor42mm

MSAR (Medium Search & Rescue) Diver's Automatic36mm

Power Reserve

JM Rotor42h

MSAR (Medium Search & Rescue) Diver's Automatic40h

Water Resistance

JM Rotor50m

MSAR (Medium Search & Rescue) Diver's Automatic300m

MSRP

JM Rotor$299

MSAR (Medium Search & Rescue) Diver's Automatic$1,800

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

Black

White

Movement

3 specs

Caliber

Miyota 8215

Sellita SW200-1

Power Reserve

42h

40h

Jewels

Pricing

1 specs

MSRP

$299

$1,800

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