Which is cheaper, the Oblvlo JM Tourbillon or the Sheffield 1A 40mm?

At MSRP the Sheffield 1A 40mm is the cheaper of the two at $228, against $516 for the Oblvlo JM Tourbillon — a $288 gap before any retailer discounting.

Which is bigger, the Oblvlo JM Tourbillon or the Sheffield 1A 40mm?

The Oblvlo JM Tourbillon wears larger at 42mm versus 40mm for the Sheffield 1A 40mm — a 2mm difference across the dial.

Which has better water resistance, the Oblvlo JM Tourbillon or the Sheffield 1A 40mm?

The Sheffield 1A 40mm is rated to 200m versus 50m for the Oblvlo JM Tourbillon.

Which has a longer power reserve, the Oblvlo JM Tourbillon or the Sheffield 1A 40mm?

The Oblvlo JM Tourbillon carries a 65-hour power reserve against 40 hours on the Sheffield 1A 40mm.

What movement does the Oblvlo JM Tourbillon run compared to the Sheffield 1A 40mm?

Both watches run automatic movements — the Oblvlo JM Tourbillon uses the OBL.8024 and the Sheffield 1A 40mm uses the Seiko NH35.

Side by side

Oblvlo JM TourbillonvsSheffield 1A 40mm

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

Sheffield 1A 40mm

allsport-1-auto

MSRP $228

At a glance

12 of 29 specs differ

Diameter

JM Tourbillon42mm

1A 40mm40mm

Power Reserve

JM Tourbillon65h

1A 40mm40h

Water Resistance

JM Tourbillon50m

1A 40mm200m

MSRP

JM Tourbillon$516

1A 40mm$228

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Dial Color

Black

—

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

OBL.8024

Seiko NH35

Power Reserve

65h

40h

Jewels

Complications

Tourbillon

None

Pricing

1 specs

MSRP

$516

$228

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Oblvlomicro

BR Series

Follow this matchup

Get a note when Oblvlo JM Tourbillon vs Sheffield 1A 40mm gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Oblvlo BR TourbillonvsSheffield 1A 40mm Oblvlo BM SkeletonvsSheffield 1A 40mm Oblvlo NM AutomaticvsSheffield 1A 40mm CIGA Design SKELETONvsSheffield 1A 40mm Oblvlo JM TourbillonvsSheffield 1A SCR II Blue Oblvlo JM TourbillonvsSheffield 1A

Edit this comparison Add another watch Explore more 39–43mm watches

Oblvlo JM TourbillonvsSheffield 1A 40mm

At a glance

Full specifications

More watches worth a look

BR Tourbillon

The Joker Madness

BM Skeleton

Aquadiver

Custom 39mm Diver

SKELETON

COURG: Zero-Hour

GORILLA

Follow this matchup

People also compared