Side by side

Formex Reef 39.5 mmvsSpinnaker Fleuss Chronograph

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
Fleuss Chronograph
SpinnakerFleuss Chronograph
MSRP $325

At a glance

12 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Fleuss Chronograph43mm
Power Reserve
Reef 39.5 mm56h
Fleuss Chronograph40h
Water Resistance
Reef 39.5 mm300m
Fleuss Chronograph100m
MSRP
Reef 39.5 mm$2,230
Fleuss Chronograph$325

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
39.5mm
43mm
Thickness
11mm
14mm
Lug-to-Lug
45.5mm
51mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Bahama Blue
Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW300-1
Seiko VK64
Type
Automatic
Quartz
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,230
$325

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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.

Spinnaker Fleuss Chronograph

The Spinnaker Fleuss Chronograph is praised for its impressive aesthetic, comfortable wearability, and excellent value at its affordable price point. One reviewer notes the chronograph function stops at 60 minutes and requires resetting. Owners report the internal bezel rotates too easily and the clasp lacks fine finishing. On balance, owners and reviewers rate the Spinnaker Fleuss Chronograph highly for its meticulous attention to detail and overall value.

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