Side by side

Formex Reef 39.5 mmvsRZE Aspirare

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
Aspirare
RZEAspirare
MSRP $699

At a glance

12 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Aspirare44mm
Power Reserve
Reef 39.5 mm56h
Aspirare40h
Water Resistance
Reef 39.5 mm300m
Aspirare200m
MSRP
Reef 39.5 mm$2,230
Aspirare$699

Full specifications

Case

6 specs
Diameter
39.5mm
44mm
Thickness
11mm
13mm
Lug-to-Lug
45.5mm
53mm
Material
Stainless Steel
Grade 5 Titanium
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
AR Coating
Inner
Underside
Dial Color
Bahama Blue
White
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW300-1
Miyota 9039
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,230
$699

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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.

RZE Aspirare

The RZE Aspirare is widely praised for its exceptional value and build quality at $599, featuring a 44mm titanium case with UltraHex coating and a Miyota 9015 movement. Owners find the watch surprisingly comfortable, even on smaller wrists, and appreciate its modern, futuristic design and interchangeable bezel system. Some reviewers note the minute hand appears slightly short relative to the chapter ring, and the 53mm lug-to-lug may be challenging for smaller wrists. On balance, owners and reviewers rate the RZE Aspirare highly for its robust titanium construction and strong value proposition.

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