Side by side

Fortis Flieger F-43 BicompaxvsNivada Grenchen Antarctic Erotic

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

Flieger F-43 Bicompax
FortisFlieger F-43 Bicompax
MSRP $4,180
Antarctic Erotic
Nivada GrenchenAntarctic Erotic
MSRP $1,769

At a glance

13 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Antarctic Erotic38mm
Power Reserve
Flieger F-43 Bicompax58h
Antarctic Erotic40h
Water Resistance
Flieger F-43 Bicompax200m
Antarctic Erotic100m
MSRP
Flieger F-43 Bicompax$4,180
Antarctic Erotic$1,769

Full specifications

Case

7 specs
Diameter
43mm
38mm
Thickness
14.5mm
12.45mm
Lug-to-Lug
45mm
Lug Width
22mm
20mm
Finish
Brushed and polished
Brushed + Polished
Water Resistance
200m
100m
Caseback
Solid
Display

Crystal & Dial

1 specs
Dial Color
Original
Beige

Movement

4 specs
Caliber
Sellita SW510 BH a
Sellita SW200
Power Reserve
58h
40h
Jewels
27
25
Complications
None
GMT

Pricing

1 specs
MSRP
$4,180
$1,769

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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.

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.

Nivada Grenchen Antarctic Erotic

The Nivada Grenchen Antarctic Erotic is a 38mm vintage-inspired daily watch featuring a unique animated penguin scene on the movement, revealed when wound, and supports penguin conservation efforts. It is powered by a modified Soprod P054 hand-wound movement with a 42-hour power reserve and offers 100m water resistance, with classic dial designs and multiple strap/bracelet options available. On balance, reviewers highlight the Nivada Grenchen Antarctic Erotic as a playful and robust explorer's watch with a unique animated feature and a charitable component.

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