Side by side

Formex Reef GMTvsTudor Pelagos 39

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

Reef GMT
FormexReef GMT
MSRP $2,235
Pelagos 39
TudorPelagos 39
MSRP $5,625

At a glance

14 of 29 specs differ
Diameter
Reef GMT42mm
Pelagos 3940mm
Power Reserve
Reef GMT56h
Pelagos 3970h
Water Resistance
Reef GMT300m
Pelagos 39200m
MSRP
Reef GMT$2,235
Pelagos 39$5,625

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
42mm
40mm
Thickness
11.4mm
11.8mm
Lug-to-Lug
47mm
46mm
Lug Width
22mm
21mm
Material
Stainless Steel
Grade 2 Titanium
Finish
Brushed and polished
Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

2 specs
Dial Color
Black
$578
Lume
Super-LumiNova
luminescent ceramic composite hour markers

Movement

2 specs
Caliber
Sellita SW330-2
MT5400
Power Reserve
56h
70h

Pricing

1 specs
MSRP
$2,235
$5,625

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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.

Formex Reef GMT

The Formex Reef GMT is widely praised for its unique porthole case shape, COSC-certified Sellita SW330-2 movement with good finishing, and comfortable quick-release bracelet with on-the-fly micro-adjustment. Reviewers note its robust construction, impressive specifications, and strong value proposition, with a slim 11.4mm profile accommodating 300m water resistance and an exhibition caseback. However, owners widely report the 53mm lug-to-lug span with male endlinks makes it too large for smaller wrists. Some find the bezel action stiff and potentially slippery, and a reviewer desired sharper finishing and edges, deeming the aesthetic too modernist. The GMT variant sacrifices a timing bezel unless swapped, and one owner notes sharp edges on the crown and crown guard. Overall, owners and reviewers highly rate the Formex Reef GMT for its exceptional value and well-executed features, particularly its bracelet system and COSC-certified movement.

From video reviewers

The watch features a COSC-certified SW330-2 GMT movement, which is visible through a sapphire crystal display case back and beautifully decorated. The watch's water-resistance of up to 300m/1000ft is a notable feature. The 42mm diameter may be too large for smaller wrists.

Tudor Pelagos 39

The Tudor Pelagos 39 is widely praised for its comfortable 39mm titanium case, making it a versatile and refined everyday dive watch with a sunray dial and bezel. Owners and reviewers consistently highlight its wearability, with specific mention of its 11.8mm thickness and 107-gram weight. Some owners note the titanium case scuffs easily but that the matte finish hides scratches well and they can be buffed out. Criticisms include a 21mm lug width deemed unnecessary by one owner and some find the T-fit clasp edges sharp, though this is disputed by another. The lume is considered acceptable but not class-leading. Overall, owners and reviewers rate the Tudor Pelagos 39 highly for its comfortable dimensions and refined everyday wearability.

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