Side by side

Oblvlo JM EarthvsSeiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

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

JM Earth
OblvloJM Earth
MSRP $228
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition
SeikoProspex SPEEDTIMER Mechanical Datsun 240Z Limited Edition
MSRP $1,150

At a glance

12 of 29 specs differ
Diameter
JM Earth42mm
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition39.5mm
Power Reserve
JM Earth40h
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition72h
Water Resistance
JM Earth50m
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition200m
MSRP
JM Earth$228
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition$1,150

Full specifications

Case

5 specs
Category
Sport
Chronograph
Diameter
42mm
39.5mm
Thickness
13mm
12mm
Lug-to-Lug
46mm
44.5mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
—
6R55
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$228
$1,150

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