Which is cheaper, the Formex Reef 39.5 mm or the Tissot Tradition?

At MSRP the Tissot Tradition is the cheaper of the two at $450, against $2,230 for the Formex Reef 39.5 mm — a $1,780 gap before any retailer discounting.

Which is bigger, the Formex Reef 39.5 mm or the Tissot Tradition?

The Tissot Tradition wears larger at 42mm versus 39.5mm for the Formex Reef 39.5 mm — a 2.5mm difference across the dial.

Which has better water resistance, the Formex Reef 39.5 mm or the Tissot Tradition?

The Formex Reef 39.5 mm is rated to 300m versus 30m for the Tissot Tradition.

Which has a longer power reserve, the Formex Reef 39.5 mm or the Tissot Tradition?

The Formex Reef 39.5 mm carries a 56-hour power reserve against 40 hours on the Tissot Tradition.

What movement does the Formex Reef 39.5 mm run compared to the Tissot Tradition?

The Formex Reef 39.5 mm runs a automatic caliber (Sellita SW300-1), while the Tissot Tradition runs a quartz.

Side by side

Formex Reef 39.5 mmvsTissot Tradition

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

Formex Reef 39.5 mm

reef-39.5-automatic-chronometer-cosc-300m-bahama-blue

MSRP $2,230

Tissot Tradition

t0636103603800

MSRP $450

At a glance

14 of 29 specs differ

Diameter

Reef 39.5 mm39.5mm

Tradition42mm

Power Reserve

Reef 39.5 mm56h

Tradition40h

Water Resistance

Reef 39.5 mm300m

Tradition30m

MSRP

Reef 39.5 mm$2,230

Tradition$450

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Domed

Dial Color

Bahama Blue

Silver

Indices

Applied

Roman and indexes

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Sellita SW300-1

—

Type

Automatic

Quartz

Power Reserve

56h

40h

Pricing

1 specs

MSRP

$2,230

$450

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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.

Owners widely praise the Tissot Tradition for its comfortable wearability, specifically citing its 7.5mm slim case. One owner found the Tissot Tradition served him well after his first watch broke. Overall, owners rate the Tissot Tradition highly for its slim and comfortable case design.

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