Side by side

Formex Reef GMTvsLongines MASTER COLLECTION

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

Reef GMT
FormexReef GMT
MSRP $2,235
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $3,300

At a glance

20 of 29 specs differ
Diameter
Reef GMT42mm
MASTER COLLECTION40mm
Power Reserve
Reef GMT56h
MASTER COLLECTION72h
Water Resistance
Reef GMT300m
MASTER COLLECTION30m
MSRP
Reef GMT$2,235
MASTER COLLECTION$3,300

Full specifications

Case

8 specs
Category
GMT
Diameter
42mm
40mm
Thickness
11.4mm
10.8mm
Lug-to-Lug
47mm
46.8mm
Lug Width
22mm
21mm
Finish
Brushed and polished
Water Resistance
300m
30m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Silver
Indices
Applied
Lume
Super-LumiNova
None

Movement

6 specs
Caliber
Sellita SW330-2
L897.2
Beat Rate
28,800 vph
0 vph
Power Reserve
56h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$2,235
$3,300

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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.

Longines MASTER COLLECTION

Owners and reviewers widely praise the Longines Master Collection for its excellent value, heritage-inspired designs, and well-executed dials, with specific models featuring Breguet numerals, leaf hands, or barleycorn textures. The finishing is frequently highlighted as a strong point, though one owner describes it as somewhat homogenous. Specific models are lauded for complications like column-wheel chronographs and annual calendars at accessible price points. Some owners note drawbacks such as the subdial obscuring a numeral on certain dial layouts or the date function. The bracelet on one model is criticized for lacking micro-adjustments. Water resistance is considered light on the annual calendar model at 30m. On balance, owners and reviewers rate the Longines Master Collection highly for its classic styling and impressive complications for the price.

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