Side by side

Formex Reef 39.5 mmvsStraton Straton Syncro - Green, Purple and Red

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
Straton Syncro - Green, Purple and Red
StratonStraton Syncro - Green, Purple and Red
MSRP $599

At a glance

19 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Straton Syncro - Green, Purple and Red44mm
Power Reserve
Reef 39.5 mm56h
Straton Syncro - Green, Purple and Red
Water Resistance
Reef 39.5 mm300m
Straton Syncro - Green, Purple and Red200m
MSRP
Reef 39.5 mm$2,230
Straton Syncro - Green, Purple and Red$599

Full specifications

Case

8 specs
Category
Diver
Chronograph
Diameter
39.5mm
44mm
Thickness
11mm
14.9mm
Lug-to-Lug
45.5mm
44mm
Material
Stainless Steel
Carbon
Finish
Brushed and polished
Water Resistance
300m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Dial Color
Bahama Blue
Indices
Applied
Lume
Super-LumiNova
None

Movement

5 specs
Caliber
Sellita SW300-1
Seiko VK64
Type
Automatic
Quartz
Beat Rate
28,800 vph
0 vph
Power Reserve
56h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$2,230
$599

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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.

Straton Syncro - Green, Purple and Red

Owners praise the Straton Syncro's automobile-inspired design and practical features like a clear date window and 200m water resistance. The domed sapphire crystal is a pleasing aesthetic element, and the 44mm case is comfortable and balanced despite its 14.9mm thickness. However, some find the fully lumed dial's milky appearance and cool tones detract from legibility, alongside harsh case angles and busy bezel markings. The standard Milanese bracelet's polished finish contrasts with the brushed case and features an outdated clasp. One owner feels the watch is overpriced at nearly $500 for its Seiko VK64 movement. Overall, owners appreciate the Straton Syncro's unique design and robust build, though some question its value proposition and find certain design elements compromise legibility.

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