Side by side

Formex Reef 39.5 mmvsSpinnaker Fleuss 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
Fleuss GMT
SpinnakerFleuss GMT
MSRP $299

At a glance

11 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Fleuss GMT43mm
Power Reserve
Reef 39.5 mm56h
Fleuss GMT40h
Water Resistance
Reef 39.5 mm300m
Fleuss GMT150m
MSRP
Reef 39.5 mm$2,230
Fleuss GMT$299

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
39.5mm
43mm
Thickness
11mm
13mm
Lug-to-Lug
45.5mm
51mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
150m

Crystal & Dial

2 specs
Dial Color
Bahama Blue
Blue
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW300-1
Seiko NH34A
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,230
$299

Follow this matchup

Get a note when Formex Reef 39.5 mm vs Spinnaker Fleuss GMT gets more votes, a community discussion, or a price drop. No account needed.

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.

Spinnaker Fleuss GMT

Owners widely praise the Spinnaker Fleuss GMT for its aesthetic appeal, comfortable and light wearability, and value, especially when discounted. The textured blue dial, applied lumed markers, and sapphire crystal with AR coating are highlighted as stunning features. Owners also note the dial is very well lumed and the bracelet has helpful quick-release tabs. However, the 43.3mm case size is criticized by some as being too large, and the Beads of Rice bracelet is described as "jingly jangly" with a pressed clasp and a clasp that isn't finely finished. Some users flag the internal bezel rotates too easily. Overall, owners rate the Spinnaker Fleuss GMT highly for its aesthetic success and value at its affordable price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.