Which is cheaper, the Oblvlo JM Rotor or the Seestern S443 Column Wheel Chronograph?

At MSRP the Seestern S443 Column Wheel Chronograph is the cheaper of the two at $10, against $299 for the Oblvlo JM Rotor — a $289 gap before any retailer discounting.

Which is bigger, the Oblvlo JM Rotor or the Seestern S443 Column Wheel Chronograph?

The Oblvlo JM Rotor wears larger at 42mm versus 40mm for the Seestern S443 Column Wheel Chronograph — a 2mm difference across the dial.

Which has a longer power reserve, the Oblvlo JM Rotor or the Seestern S443 Column Wheel Chronograph?

The Seestern S443 Column Wheel Chronograph carries a 45h-hour power reserve against 42 hours on the Oblvlo JM Rotor.

What movement does the Oblvlo JM Rotor run compared to the Seestern S443 Column Wheel Chronograph?

The Oblvlo JM Rotor runs a automatic caliber (Miyota 8215), while the Seestern S443 Column Wheel Chronograph runs a manual (Seagull ST1901).

Side by side

Oblvlo JM RotorvsSeestern S443 Column Wheel Chronograph

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

Oblvlo JM Rotor

JM-ROTOR

MSRP $299

Seestern S443 Column Wheel Chronograph

S443.P

MSRP $10

At a glance

13 of 29 specs differ

Diameter

JM Rotor42mm

S443 Column Wheel Chronograph40mm

Power Reserve

JM Rotor42h

S443 Column Wheel Chronograph45hh

Water Resistance

JM Rotor50m

S443 Column Wheel Chronograph50m

MSRP

JM Rotor$299

S443 Column Wheel Chronograph$10

Full specifications

Case

4 specs

Crystal & Dial

3 specs

Dial Color

Black

Pink

Indices

Applied

Lume

None

Super BGW9

Movement

5 specs

Caliber

Miyota 8215

Seagull ST1901

Type

Automatic

Manual

Beat Rate

28,800 vph

3 vph

Power Reserve

42h

45hh

Complications

None

Chronograph, Column Wheel

Pricing

1 specs

MSRP

$299

$10

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