Which is cheaper, the Oblvlo JM Tourbillon or the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch?

At MSRP the Oblvlo JM Tourbillon is the cheaper of the two at $516, against $2,800 for the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch — a $2,284 gap before any retailer discounting.

Which is bigger, the Oblvlo JM Tourbillon or the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch?

The Oblvlo JM Tourbillon wears larger at 42mm versus 39.5mm for the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch — a 2.5mm difference across the dial.

Which has better water resistance, the Oblvlo JM Tourbillon or the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch is rated to 200m versus 50m for the Oblvlo JM Tourbillon.

Which has a longer power reserve, the Oblvlo JM Tourbillon or the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch?

The Oblvlo JM Tourbillon carries a 65-hour power reserve against 45 hours on the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch.

What movement does the Oblvlo JM Tourbillon run compared to the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch?

Both watches run automatic movements — the Oblvlo JM Tourbillon uses the OBL.8024 and the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch uses the 6L37.

Side by side

Oblvlo JM TourbillonvsSeiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

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

Oblvlo JM Tourbillon

JM-TB

MSRP $516

Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

sje117j1

MSRP $2,800

At a glance

13 of 29 specs differ

Diameter

JM Tourbillon42mm

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch39.5mm

Power Reserve

JM Tourbillon65h

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch45h

Water Resistance

JM Tourbillon50m

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch200m

MSRP

JM Tourbillon$516

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch$2,800

Full specifications

Case

5 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Box

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

OBL.8024

6L37

Power Reserve

65h

45h

Jewels

Complications

Tourbillon

None

Pricing

1 specs

MSRP

$516

$2,800

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