Side by side

Formex Reef GMTvsTissot Heritage 1938

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

Reef GMT
FormexReef GMT
MSRP $2,235
Heritage 1938
TissotHeritage 1938
MSRP $925

At a glance

14 of 29 specs differ
Diameter
Reef GMT42mm
Heritage 193839mm
Power Reserve
Reef GMT56h
Heritage 193838h
Water Resistance
Reef GMT300m
Heritage 193850m
MSRP
Reef GMT$2,235
Heritage 1938$925

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
42mm
39mm
Thickness
11.4mm
11.1mm
Lug-to-Lug
47mm
39mm
Lug Width
22mm
20mm
Water Resistance
300m
50m

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Black
Anthracite
Indices
Applied
Arabic
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW330-2
11 1/2'''
Power Reserve
56h
38h

Pricing

1 specs
MSRP
$2,235
$925

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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.

Tissot Heritage 1938

Owners and reviewers widely praise the Tissot Heritage 1938 for its stunning vintage-inspired design and excellent value, particularly as a COSC-certified automatic under $1000. The dial's ability to catch light and subtly change colors, along with rosy gold numerals, is a frequent highlight. The watch uses a chronometer-certified ETA 2824-2 movement, though its 38-hour power reserve is noted as less than some contemporary offerings. Some owners find the 39mm case size appears larger on the wrist, with a desire for smaller options. Overall, owners rate the Tissot Heritage 1938 highly for its charming retro aesthetics and impressive chronometer movement at an accessible price point.

From video reviewers

The most attainable Swiss chronometer is a key strength. Reviewers did not agree on any weaknesses.

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