Side by side
Massena LAB Dato-RacervsOblvlo JM Rotor
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
7 of 29 specs differDiameter
Dato-Racer40mm
JM Rotor42mm
Power Reserve
Dato-Racer38h
JM Rotor42h
Water Resistance
Dato-Racer50m
JM Rotor50m
MSRP
Dato-Racer$1,595
JM Rotor$299
Full specifications
Case
2 specsDiameter
40mm
42mm
Thickness
10.5mm
13mm
Crystal & Dial
1 specsAR Coating
Yes
Inner
Movement
3 specsCaliber
SW400-1
Miyota 8215
Power Reserve
38h
42h
Jewels
26
21
Pricing
1 specsMSRP
$1,595
$299
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