Side by side

Fortis Flieger F-43 Triple-GMTvsSeestern S450 Ocean Star

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

Flieger F-43 Triple-GMT
FortisFlieger F-43 Triple-GMT
MSRP $4,840
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

15 of 29 specs differ
Diameter
Flieger F-43 Triple-GMT43mm
S450 Ocean Star40mm
Power Reserve
Flieger F-43 Triple-GMT56h
S450 Ocean Star41h
Water Resistance
Flieger F-43 Triple-GMT200m
S450 Ocean Star100m
MSRP
Flieger F-43 Triple-GMT$4,840
S450 Ocean Star$299

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
43mm
40mm
Thickness
14mm
12mm
Lug-to-Lug
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
Original
White
Lume
None
Tritium

Movement

5 specs
Caliber
Sellita SW330-2
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
56h
41h
Jewels
25
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$4,840
$299

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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 Triple-GMT

The Fortis Flieger F-43 Triple-GMT is widely praised for its stunning dial execution, COSC-certified Kenissi WERK 13 movement with a 70-hour power reserve, and legible Brixtrack luminous indices. Owners and reviewers highlight the surprisingly wearable 43mm titanium case and bracelet, noting its lightness and comfort despite the size, with one source specifically mentioning a quick-adjustable extension. The watch offers 200m water resistance and features a Synchroline indicator. However, some owners note the titanium scratches easily and the bracelet can be difficult to size. The watch is priced at €4,500. On balance, owners and reviewers rate the Fortis Flieger F-43 Triple-GMT highly for its purpose-focused pilot's watch design and innovative movement.

Seestern S450 Ocean Star

Owners widely praise the Seestern S450 Ocean Star's Yachtmaster-style case and flawless bracelet finishing, with one owner noting the ST2130 movement keeps good time. The bezel action is described as having individual notches but feeling like a friction bezel, while another owner flags the bezel and crown action as smooth with perfect alignment. Lume is a point of contention, with one source describing it as a nice cool blue with ice-white application, while others note it as weak or not matching Prospex standards, despite using BGW-9. The watch is considered a "big boy" ideal for larger wrists (19cm+), potentially too large for 17cm wrists due to its size and non-tapering bracelet. Overall, owners rate the Seestern S450 Ocean Star highly for its build quality and finishing at the price point, despite some reservations about its size and lume intensity.

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