Side by side

Phoibos Voyager GMTvsFormex Reef 39.5 mm

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

Voyager GMT
PhoibosVoyager GMT
MSRP $429
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

11 of 29 specs differ
Diameter
Voyager GMT39mm
Reef 39.5 mm39.5mm
Power Reserve
Voyager GMT40h
Reef 39.5 mm56h
Water Resistance
Voyager GMT100m
Reef 39.5 mm300m
MSRP
Voyager GMT$429
Reef 39.5 mm$2,230

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
39mm
39.5mm
Thickness
13.2mm
11mm
Lug-to-Lug
45mm
45.5mm
Lug Width
20mm
22mm
Water Resistance
100m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Red
Bahama Blue

Movement

2 specs
Caliber
SII NH34
Sellita SW300-1
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$429
$2,230

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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.

Phoibos Voyager GMT

Owners widely praise the Phoibos Voyager GMT for its exceptional fit and finish, attractive dials that play with light, and outstanding lume. The bezel action is described as perfect with a grippy, smooth-threaded crown, and the bracelet clasp is noted as high quality for the price. Accuracy varies, with one owner reporting +1/+2 seconds per day and another around -6 seconds per day. Some owners find the 14.5mm thickness chunky and difficult to wear with long sleeves, and the 24-click bezel limits tracking to hour-offset time zones. The date color can blend into the dial, and the date wheel may show slight misalignment. On balance, owners rate the Phoibos Voyager GMT highly for its vibrant dials and excellent value.

Formex Reef 39.5 mm

The Formex Reef 39.5 mm is widely praised for its refined finishing, comfortable and well-proportioned case design, and impressive specifications for its price point, including COSC-certified Sellita SW300-1 movement and 300m water resistance. Owners and reviewers highlight the tool-less micro-adjust clasp and quick-release spring bars as practical features. Some reviewers note that the 22mm lug width feels slightly disproportionate to the smaller case, and the bracelet could benefit from more taper, though this is a point of contention for some owners who value the overall package. A prototype crown protrusion issue is noted as being addressed for production. On balance, owners and reviewers rate the Formex Reef 39.5 mm highly for its excellent value and well-executed design.

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