Which is cheaper, the Sugess Chrono Master S438 or the Formex Reef 39.5 mm?

At MSRP the Sugess Chrono Master S438 is the cheaper of the two at $549, against $2,230 for the Formex Reef 39.5 mm — a $1,681 gap before any retailer discounting.

Which is bigger, the Sugess Chrono Master S438 or the Formex Reef 39.5 mm?

The Sugess Chrono Master S438 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 Sugess Chrono Master S438 or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm is rated to 300m versus 5m for the Sugess Chrono Master S438.

Which has a longer power reserve, the Sugess Chrono Master S438 or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm carries a 56-hour power reserve against 35 hours on the Sugess Chrono Master S438.

What movement does the Sugess Chrono Master S438 run compared to the Formex Reef 39.5 mm?

The Sugess Chrono Master S438 runs a manual caliber (ST19), while the Formex Reef 39.5 mm runs a automatic (Sellita SW300-1).

Side by side

Sugess Chrono Master S438vsFormex Reef 39.5 mm

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

Sugess Chrono Master S438

S438

MSRP $549

Formex Reef 39.5 mm

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

MSRP $2,230

At a glance

14 of 29 specs differ

Diameter

Chrono Master S43840mm

Reef 39.5 mm39.5mm

Power Reserve

Chrono Master S43835h

Reef 39.5 mm56h

Water Resistance

Chrono Master S4385m

Reef 39.5 mm300m

MSRP

Chrono Master S438$549

Reef 39.5 mm$2,230

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

S438 White

Bahama Blue

Lume

None

Super-LumiNova

Movement

5 specs

Caliber

ST19

Sellita SW300-1

Type

Manual

Automatic

Beat Rate

3 vph

28,800 vph

Power Reserve

35h

56h

Complications

GMT, Chronograph, Moonphase, Power reserve indicator

None

Pricing

1 specs

MSRP

$549

$2,230

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Sugess Chrono Master S438vsFormex Reef 39.5 mm

At a glance

Full specifications

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