Side by side

Formex Reef GMTvsNodus Sector II Dive GMT

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

Reef GMT
FormexReef GMT
MSRP $2,235
Sector II Dive GMT
NodusSector II Dive GMT
MSRP $575

At a glance

13 of 29 specs differ
Diameter
Reef GMT42mm
Sector II Dive GMT38mm
Power Reserve
Reef GMT56h
Sector II Dive GMT41h
Water Resistance
Reef GMT300m
Sector II Dive GMT100m
MSRP
Reef GMT$2,235
Sector II Dive GMT$575

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
42mm
38mm
Thickness
11.4mm
11.9mm
Lug Width
22mm
20mm
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Yes
Dial Color
Black
Lume
Super-LumiNova
Swiss Super-LumiNova® BGW9 Grade A

Movement

3 specs
Caliber
Sellita SW330-2
TMI NH34 (GMT)
Power Reserve
56h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$2,235
$575

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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.

Nodus Sector II Dive GMT

Owners widely praise the Nodus Sector II Dive GMT for its solid build, bracelet, and fit and finish for the price, with reviewers noting its well-executed finishing featuring alternating brushed and polished surfaces. The regulated Seiko NH34 movement is reported to run at +5 seconds per day. Some owners desire a Miyota 9075 movement and lume on the GMT hand, and a reviewer finds the 120-click dive bezel less ideal for GMT functions than a bi-directional 48-click GMT bezel, while the dial's dense Arabic numerals can be overwhelming for some despite good legibility. On balance, owners and reviewers rate the Nodus Sector II Dive GMT highly for its attractive design and build quality at its price point.

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