Side by side

Fortis Flieger F-43 Triple-GMTvsSeiko Monster

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
Monster
SeikoMonster
MSRP $550

At a glance

12 of 29 specs differ
Diameter
Flieger F-43 Triple-GMT43mm
Monster42.4mm
Power Reserve
Flieger F-43 Triple-GMT56h
Monster41h
Water Resistance
Flieger F-43 Triple-GMT200m
Monster200m
MSRP
Flieger F-43 Triple-GMT$4,840
Monster$550

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
43mm
42.4mm
Thickness
14mm
13.4mm
Lug-to-Lug
49.4mm
Lug Width
22mm
20mm

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Original
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW330-2
4R36
Power Reserve
56h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$4,840
$550

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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.

Seiko Monster

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many noting its comfortable wearability. Reviewers consistently highlight its impressive finishing and classic dive watch design, often comparing it favorably to older models. Some owners find the size substantial, with one noting it as big, thick, and heavy on a 6.5-inch wrist, while others find it perfect. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional value and robust, classic dive watch design.

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