Which is cheaper, the Massena LAB Dato-Racer or the Fortis Flieger F-43 Bicompax?

At MSRP the Massena LAB Dato-Racer is the cheaper of the two at $1,595, against $4,180 for the Fortis Flieger F-43 Bicompax — a $2,585 gap before any retailer discounting.

Which is bigger, the Massena LAB Dato-Racer or the Fortis Flieger F-43 Bicompax?

The Fortis Flieger F-43 Bicompax wears larger at 43mm versus 40mm for the Massena LAB Dato-Racer — a 3mm difference across the dial.

Which has better water resistance, the Massena LAB Dato-Racer or the Fortis Flieger F-43 Bicompax?

The Fortis Flieger F-43 Bicompax is rated to 200m versus 50m for the Massena LAB Dato-Racer.

Which has a longer power reserve, the Massena LAB Dato-Racer or the Fortis Flieger F-43 Bicompax?

The Fortis Flieger F-43 Bicompax carries a 58-hour power reserve against 38 hours on the Massena LAB Dato-Racer.

What movement does the Massena LAB Dato-Racer run compared to the Fortis Flieger F-43 Bicompax?

Both watches run automatic movements — the Massena LAB Dato-Racer uses the SW400-1 and the Fortis Flieger F-43 Bicompax uses the Sellita SW510 BH a.

Side by side

Massena LAB Dato-RacervsFortis Flieger F-43 Bicompax

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

Fortis Flieger F-43 Bicompax

F-43 Bicompax

MSRP $4,180

At a glance

12 of 29 specs differ

Diameter

Dato-Racer40mm

Flieger F-43 Bicompax43mm

Power Reserve

Dato-Racer38h

Flieger F-43 Bicompax58h

Water Resistance

Dato-Racer50m

Flieger F-43 Bicompax200m

MSRP

Dato-Racer$1,595

Flieger F-43 Bicompax$4,180

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Dial Color

Black

Original

Movement

3 specs

Caliber

SW400-1

Sellita SW510 BH a

Power Reserve

38h

58h

Jewels

Pricing

1 specs

MSRP

$1,595

$4,180

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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

Fortis Flieger F-43 Bicompax

Owners widely praise the Fortis Original for its tool-watch aesthetic, legibility, and robust construction, with many noting excellent lume that lasts all night and precise day/date changes at midnight. The brushed stainless steel case is well-finished, and the 38mm size is considered comfortable and well-weighted despite being smaller than modern watches. Accuracy figures range from +2 seconds/day to +8 seconds/day, and some owners compare Fortis quality favorably to Omega. However, some users find the MSRP too high compared to brands like Sinn and Damasko, and one owner reported internal parts dislodging from a limited edition model. Concerns have also been raised about stripped lug screws on B-42 models and potential parts shortages due to past bankruptcy protection filings. Overall, owners rate the Fortis Original highly for its durable construction and tool-watch functionality at a competitive price point.

WatchUSeek·9

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