Side by side

Formex Reef 42 mmvsNOMOS Glashütte Tangomat ruthenium

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

Reef 42 mm
FormexReef 42 mm
MSRP $2,414
Tangomat ruthenium
NOMOS GlashütteTangomat ruthenium
MSRP $3,700

At a glance

17 of 29 specs differ
Diameter
Reef 42 mm42mm
Tangomat ruthenium38.3mm
Power Reserve
Reef 42 mm56h
Tangomat ruthenium43 hoursh
Water Resistance
Reef 42 mm300m
Tangomat ruthenium30m
MSRP
Reef 42 mm$2,414
Tangomat ruthenium$3,700

Full specifications

Case

8 specs
Category
Diver
Dress
Diameter
42mm
38.3mm
Thickness
11.4mm
8.3mm
Lug-to-Lug
47mm
48mm
Lug Width
22mm
20mm
Finish
Brushed and polished
Water Resistance
300m
30m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
Sellita SW300-1
DUW 5001
Beat Rate
28,800 vph
21,600 vph
Power Reserve
56h
43 hoursh
Jewels
25
26

Pricing

1 specs
MSRP
$2,414
$3,700

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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 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.

NOMOS Glashütte Tangomat ruthenium

Owners widely praise the NOMOS Glashütte Tangomat ruthenium for its Glashütte watchmaking and Bauhaus design, with one owner noting accuracy at +2 seconds/day and a 43-hour power reserve. Some owners find the Tangomat thicker than other models, with case proportions that may not suit its sharp design, and one owner expressed a preference for newer movements over the older Epsilon automatic. Overall, owners value the NOMOS Glashütte Tangomat ruthenium for its precise timekeeping and design ethos.

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