Which is cheaper, the Formex Reef 39.5 mm or the Straton Syncro MKII Mechanical Chrono?

At MSRP the Straton Syncro MKII Mechanical Chrono is the cheaper of the two at $599, against $2,230 for the Formex Reef 39.5 mm — a $1,631 gap before any retailer discounting.

Which is bigger, the Formex Reef 39.5 mm or the Straton Syncro MKII Mechanical Chrono?

The Straton Syncro MKII Mechanical Chrono wears larger at 40mm versus 39.5mm for the Formex Reef 39.5 mm — a 0.5mm difference across the dial.

Which has better water resistance, the Formex Reef 39.5 mm or the Straton Syncro MKII Mechanical Chrono?

The Formex Reef 39.5 mm is rated to 300m versus 100m for the Straton Syncro MKII Mechanical Chrono.

What movement does the Formex Reef 39.5 mm run compared to the Straton Syncro MKII Mechanical Chrono?

The Formex Reef 39.5 mm runs a automatic caliber (Sellita SW300-1), while the Straton Syncro MKII Mechanical Chrono runs a manual (Seagull ST19).

Side by side

Formex Reef 39.5 mmvsStraton Straton Syncro MKII Mechanical Chrono

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

Straton Straton Syncro MKII Mechanical Chrono

straton-syncro-mkii-mechanical-chrono

MSRP $599

At a glance

20 of 29 specs differ

Diameter

Reef 39.5 mm39.5mm

Straton Syncro MKII Mechanical Chrono40mm

Power Reserve

Reef 39.5 mm56h

Straton Syncro MKII Mechanical Chrono—

Water Resistance

Reef 39.5 mm300m

Straton Syncro MKII Mechanical Chrono100m

MSRP

Reef 39.5 mm$2,230

Straton Syncro MKII Mechanical Chrono$599

Full specifications

Case

9 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

Domed

AR Coating

Inner

Underside

Dial Color

Bahama Blue

—

Indices

Applied

—

Lume

Super-LumiNova

None

Movement

5 specs

Caliber

Sellita SW300-1

Seagull ST19

Type

Automatic

Manual

Beat Rate

28,800 vph

0 vph

Power Reserve

56h

Jewels

Pricing

1 specs

MSRP

$2,230

$599

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