Which is cheaper, the Massena LAB Dato-Racer or the Monta Atlas?

At MSRP the Massena LAB Dato-Racer is the cheaper of the two at $1,595, against $2,150 for the Monta Atlas — a $555 gap before any retailer discounting.

Which is bigger, the Massena LAB Dato-Racer or the Monta Atlas?

The Massena LAB Dato-Racer wears larger at 40mm versus 38.5mm for the Monta Atlas — a 1.5mm difference across the dial.

Which has better water resistance, the Massena LAB Dato-Racer or the Monta Atlas?

The Monta Atlas is rated to 152m versus 50m for the Massena LAB Dato-Racer.

Which has a longer power reserve, the Massena LAB Dato-Racer or the Monta Atlas?

The Monta Atlas carries a 40-hour power reserve against 38 hours on the Massena LAB Dato-Racer.

What movement does the Massena LAB Dato-Racer run compared to the Monta Atlas?

Both watches run automatic movements — the Massena LAB Dato-Racer uses the SW400-1 and the Monta Atlas uses the Monta M-23.

Side by side

Massena LAB Dato-RacervsMonta Atlas

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

Massena LAB Dato-Racer

DR-001

MSRP $1,595

Monta Atlas

monta-atlas-opalin-silver-dial

MSRP $2,150

At a glance

12 of 29 specs differ

Diameter

Dato-Racer40mm

Atlas38.5mm

Power Reserve

Dato-Racer38h

Atlas40h

Water Resistance

Dato-Racer50m

Atlas152m

MSRP

Dato-Racer$1,595

Atlas$2,150

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Dial Color

Black

Silver

Movement

3 specs

Caliber

SW400-1

Monta M-23

Power Reserve

38h

40h

Jewels

Pricing

1 specs

MSRP

$1,595

$2,150

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Massena LAB Dato-Racer

Owners widely praise the Massena LAB Dato-Racer as an excellent everyday watch, appreciating its blend of 1970s-inspired aesthetics with modern dimensions. This model is a limited edition of 99 pieces. On balance, owners rate the Massena LAB Dato-Racer highly for its successful fusion of vintage design and contemporary wearability.

WatchUSeek

Monta Atlas

The Monta Atlas is widely praised for its exceptional wearability, with its comfortable 38.5mm case size and buttery bracelet frequently highlighted. Owners and reviewers alike commend its fit and finish, noting a mix of brushed, polished, and blasted surfaces. However, the rehaut on the opaline silver dial is considered nearly illegible for the 24-hour GMT scale, leading some to suggest other dial colors are more practical for GMT functionality. One owner also flagged the crown as less sturdy than anticipated and noted the AR coating attracts fingerprints. Overall, owners and reviewers rate the Monta Atlas highly for its comfortable dimensions and appealing finishing.

From video reviewers

The Monta Opalin Silver's dial is a notable strength, particularly its subtle gradient effect that adds depth to the watch without being too flashy. The watch offers a notable value proposition due to its movement, typically found in more expensive timepieces. The bracelet can be prone to rattle, which might be a trade-off for some buyers.

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