Side by side

Formex Reef 39.5 mmvsLongines CONQUEST

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
CONQUEST
LonginesCONQUEST
MSRP $900

At a glance

19 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
CONQUEST41mm
Power Reserve
Reef 39.5 mm56h
CONQUEST40h
Water Resistance
Reef 39.5 mm300m
CONQUEST300m
MSRP
Reef 39.5 mm$2,230
CONQUEST$900

Full specifications

Case

6 specs
Diameter
39.5mm
41mm
Thickness
11mm
11.8mm
Lug-to-Lug
45.5mm
51mm
Lug Width
22mm
21mm
Finish
Brushed and polished
Caseback
Solid
Screw-down case back

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Underside
Dial Color
Bahama Blue
Blue
Indices
Applied
Applied Arabic numerals and indexes

Movement

8 specs
Caliber
Sellita SW300-1
L157.3
Type
Automatic
Quartz
Beat Rate
28,800 vph
25,200 vph
Power Reserve
56h
40h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$2,230
$900

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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.

Longines CONQUEST

Owners widely praise the Longines CONQUEST for its excellent finishing, comfortable wearability, and strong value, with many highlighting its versatility and smooth hand-winding action. Specific points of praise include the clean design, 30 ATM water resistance, and curved lugs contributing to comfort. However, reviewers and owners consistently note the bracelet's lack of micro-adjustment and the lume is considered poor by multiple sources. Some find the design too simple, and one owner felt the watch was underwhelming in person. On balance, owners rate the Longines CONQUEST highly for its exceptional finishing and value at its price point.

From video reviewers

The sunburst dial is a frequently praised aesthetic feature. Reviewers noted the quartz movement as a potential drawback for enthusiasts seeking automatic options.

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