Side by side

Fortis Flieger F-43 Triple-GMTvsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

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

At a glance

14 of 29 specs differ
Diameter
Flieger F-43 Triple-GMT43mm
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Power Reserve
Flieger F-43 Triple-GMT56h
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h
Water Resistance
Flieger F-43 Triple-GMT200m
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
MSRP
Flieger F-43 Triple-GMT$4,840
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
43mm
42.6mm
Thickness
14mm
14.1mm
Lug-to-Lug
49.3mm
Lug Width
22mm
20mm
Water Resistance
200m
300m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Original
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW330-2
8L45
Power Reserve
56h
72h
Jewels
25
35

Pricing

1 specs
MSRP
$4,840
$3,600

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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 Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

The Seiko Prospex Marinemaster 1968 Heritage Diver's Watch is widely praised for its excellent quality and finishing, with reviewers and owners noting its GS-level craftsmanship and Zaratsu-inspired polishing. Owners appreciate its refined design, comfortable case shape, and the 4:00 crown position, with some finding it more manageable on the wrist than other models. The Caliber 8L45 movement offers a 72-hour power reserve and accuracy within -5/+10 seconds per day, and the bracelet features an improved clasp with an extension system. However, some find the price point high, and one reviewer noted the unsigned winding crown as a missed opportunity. On balance, owners and reviewers rate the Seiko Prospex Marinemaster 1968 Heritage Diver's Watch highly for its premium finishing and tool-like appearance at its price point.

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