Side by side

Formex Reef 39.5 mmvsSugess Seestern Vintage S407 600T

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
Seestern Vintage S407 600T
SugessSeestern Vintage S407 600T
MSRP $249

At a glance

12 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Seestern Vintage S407 600T39mm
Power Reserve
Reef 39.5 mm56h
Seestern Vintage S407 600T40h
Water Resistance
Reef 39.5 mm300m
Seestern Vintage S407 600T600m
MSRP
Reef 39.5 mm$2,230
Seestern Vintage S407 600T$249

Full specifications

Case

5 specs
Diameter
39.5mm
39mm
Thickness
11mm
13.5mm
Lug-to-Lug
45.5mm
48mm
Lug Width
22mm
20mm
Water Resistance
300m
600m

Crystal & Dial

2 specs
Dial Color
Bahama Blue
600T Black
Lume
Super-LumiNova
Tritium

Movement

4 specs
Caliber
Sellita SW300-1
NH35
Beat Rate
28,800 vph
3 vph
Power Reserve
56h
40h
Complications
None
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
$2,230
$249

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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.

Sugess Seestern Vintage S407 600T

Owners widely praise the Sugess Seestern Vintage S407 600T for its exceptional finishing, bracelet quality, and overall value at its price point. Reviewers and owners alike highlight the watch's fantastic looks and build quality, with one owner noting Seestern did a better job than the original inspiration. Some owners report a slight bezel back play and a clunky clasp, while others have no clasp complaints. Accuracy figures vary, with one owner seeing the watch run 2 seconds slow over 30 hours, and another noting a dial leaning slightly left. The watch measures 40mm wide, 14mm thick, and 48mm lug-to-lug, weighing 86g for the head and 163.4g total with the bracelet, leading some to find it heavy for wrists smaller than 7 inches. One owner questioned if the crown felt wobbly when winding or setting. On balance, owners rate the Sugess Seestern Vintage S407 600T highly for its outstanding build quality and aesthetic appeal relative to its cost.

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