Side by side

Formex Reef 39.5 mmvsNodus Sector II GMT

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

Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230
Sector II GMT
NodusSector II GMT
MSRP $525

At a glance

14 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Sector II GMT38mm
Power Reserve
Reef 39.5 mm56h
Sector II GMT41h
Water Resistance
Reef 39.5 mm300m
Sector II GMT100m
MSRP
Reef 39.5 mm$2,230
Sector II GMT$525

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
39.5mm
38mm
Thickness
11mm
11.9mm
Lug-to-Lug
45.5mm
47mm
Lug Width
22mm
20mm
Water Resistance
300m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW300-1
TMI NH34 (GMT)
Power Reserve
56h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$2,230
$525

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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 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.

Nodus Sector II GMT

Owners and reviewers widely praise the Nodus Sector II GMT for its versatile, refined design and surprisingly good finishing for its compelling price point. The watch features a regulated Seiko NH34 movement, running at +5 seconds per day according to one review, a sapphire crystal with AR coating, and 100 meters of water resistance. Some owners wish for lume on the GMT hand and prefer a bi-directional GMT bezel over the 120-click dive timing bezel, while others find the NH34 movement overpriced for the cost. On balance, owners and reviewers rate the Nodus Sector II GMT highly for its refined design and impressive finishing at its price point.

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