Side by side

Sinn 544vsFormex Reef 42 mm

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sinn 544

The Sinn 544 is widely praised for its versatile 38.5mm size and 10mm thickness, making it suitable for daily wear. Owners and reviewers highlight its minimalist, reductionist aesthetic and robust, bead-blasted case. The 200 meters of water resistance and low-pressure resistance further contribute to its "do-anything" capability. The watch features a 4 o'clock crown and hooded lugs, a design element some find polarizing but which flows well into the bracelet. The Sinn 544 is powered by a Sellita SW200-2 movement with a 60-hour power reserve. While the fine minute track is appreciated for precise time setting, some dislike the subdivisions between the second and minute markers. One owner notes a general desire for an improved Sinn bracelet across the brand. Overall, owners and reviewers rate the Sinn 544 highly for its robust, straightforward design and practical dimensions at the price point.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

At a glance

18 of 29 specs differ
Diameter
54438.5mm
Reef 42 mm42mm
Power Reserve
54460h
Reef 42 mm56h
Water Resistance
544200m
Reef 42 mm300m
MSRP
544$1,879
Reef 42 mm$2,414

Full specifications

Case

8 specs
Category
Tool
Diver
Diameter
38.5mm
42mm
Thickness
10mm
11.4mm
Lug-to-Lug
47mm
Lug Width
20mm
22mm
Finish
bead blasted
Water Resistance
200m
300m
Caseback

Crystal & Dial

4 specs
Crystal Shape
AR Coating
Underside
Indices
Lume
Luminescent
Super-LumiNova

Movement

5 specs
Caliber
SW 200-2
Sellita SW300-1
Beat Rate
28,800 vph
0 vph
Power Reserve
60h
56h
Jewels
26
0
Complications
Date
None

Pricing

1 specs
MSRP
$1,879
$2,414
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