Which is cheaper, the Massena LAB Dato-Racer or the Longines HYDROCONQUEST?

At MSRP the Massena LAB Dato-Racer is the cheaper of the two at $1,595, against $2,000 for the Longines HYDROCONQUEST — a $405 gap before any retailer discounting.

Which is bigger, the Massena LAB Dato-Racer or the Longines HYDROCONQUEST?

The Longines HYDROCONQUEST wears larger at 41mm versus 40mm for the Massena LAB Dato-Racer — a 1mm difference across the dial.

Which has better water resistance, the Massena LAB Dato-Racer or the Longines HYDROCONQUEST?

The Longines HYDROCONQUEST is rated to 300m versus 50m for the Massena LAB Dato-Racer.

Which has a longer power reserve, the Massena LAB Dato-Racer or the Longines HYDROCONQUEST?

The Longines HYDROCONQUEST carries a 72-hour power reserve against 38 hours on the Massena LAB Dato-Racer.

What movement does the Massena LAB Dato-Racer run compared to the Longines HYDROCONQUEST?

Both watches run automatic movements — the Massena LAB Dato-Racer uses the SW400-1 and the Longines HYDROCONQUEST uses the L888.5.

Side by side

Massena LAB Dato-RacervsLongines HYDROCONQUEST

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

Longines HYDROCONQUEST

L3.782.4.06.6

MSRP $2,000

At a glance

20 of 29 specs differ

Diameter

Dato-Racer40mm

HYDROCONQUEST41mm

Power Reserve

Dato-Racer38h

HYDROCONQUEST72h

Water Resistance

Dato-Racer50m

HYDROCONQUEST300m

MSRP

Dato-Racer$1,595

HYDROCONQUEST$2,000

Full specifications

Case

9 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Yes

—

Dial Color

Black

Green

Indices

Applied

—

Movement

6 specs

Caliber

SW400-1

L888.5

Beat Rate

28,800 vph

0 vph

Power Reserve

38h

72h

Jewels

Hacking

Yes

Hand-winding

Yes

Pricing

1 specs

MSRP

$1,595

$2,000

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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

Longines HYDROCONQUEST

Owners widely praise the Longines Hydroconquest for its attractive sunburst blue dial and accurate timekeeping, with one owner reporting a loss of only 2 seconds per day. However, the bracelet is frequently criticized for lacking micro-adjustments and having pinch-prone links, and the screw-down crown is noted as inconvenient and difficult to operate by multiple owners. Some owners also flag the bezel action as ratchety with back play, and one owner found the lugs sharp and the overall design uncomfortable, leading them to sell the watch. On balance, owners appreciate the Longines Hydroconquest's aesthetic appeal and value, despite significant reservations about its bracelet and crown usability.

From video reviewers

The bezel action is praised for its smooth and precise rotation. Lume brightness is a shared weakness, found to be somewhat lacking. Reviewers disagreed on the watch's value proposition compared to alternatives.

WatchCrunch·2

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