Which is cheaper, the Seestern Sub 300 V4 or the Fortis Flieger F-43 Bicompax?

At MSRP the Seestern Sub 300 V4 is the cheaper of the two at $10, against $4,180 for the Fortis Flieger F-43 Bicompax — a $4,170 gap before any retailer discounting.

Which is bigger, the Seestern Sub 300 V4 or the Fortis Flieger F-43 Bicompax?

The Fortis Flieger F-43 Bicompax wears larger at 43mm versus 42mm for the Seestern Sub 300 V4 — a 1mm difference across the dial.

Which has a longer power reserve, the Seestern Sub 300 V4 or the Fortis Flieger F-43 Bicompax?

The Fortis Flieger F-43 Bicompax carries a 58-hour power reserve against 41 hours on the Seestern Sub 300 V4.

What movement does the Seestern Sub 300 V4 run compared to the Fortis Flieger F-43 Bicompax?

Both watches run automatic movements — the Seestern Sub 300 V4 uses the Seiko NH35A and the Fortis Flieger F-43 Bicompax uses the Sellita SW510 BH a.

Side by side

Seestern Sub 300 V4vsFortis Flieger F-43 Bicompax

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

Seestern Sub 300 V4

Sub 300 V4

MSRP $10

Fortis Flieger F-43 Bicompax

F-43 Bicompax

MSRP $4,180

At a glance

17 of 29 specs differ

Diameter

Sub 300 V442mm

Flieger F-43 Bicompax43mm

Power Reserve

Sub 300 V441h

Flieger F-43 Bicompax58h

Water Resistance

Sub 300 V4200m

Flieger F-43 Bicompax200m

MSRP

Sub 300 V4$10

Flieger F-43 Bicompax$4,180

Full specifications

Case

8 specs

Crystal & Dial

3 specs

AR Coating

Underside

Inner

Dial Color

Orange

Original

Lume

Japan Lume (blue glow)

None

Movement

5 specs

Caliber

Seiko NH35A

Sellita SW510 BH a

Beat Rate

21,600 vph

28,800 vph

Power Reserve

41h

58h

Jewels

Complications

GMT, Date

None

Pricing

1 specs

MSRP

$10

$4,180

Follow this matchup

Get a note when Seestern Sub 300 V4 vs Fortis Flieger F-43 Bicompax gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Seestern Sub 300 V4

Owners widely praise the Seestern Sub 300 V4 for its terrific fit and finish and surprising little touches at its $179 price, noting top-notch case, dial, bezel, and crystal. The bracelet is considered nice enough for the price point, and the watch is powered by the solid and reliable Seiko NH35 movement. Some owners report that the polished sides of the case show signs of wear. Overall, owners rate the Seestern Sub 300 V4 highly for its excellent case, dial, and bezel finishing at the price.

WatchUSeek·3

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

Keep exploring