Side by side

Formex Reef 39.5 mmvsNOMOS Glashütte Zürich Worldtimer midnight blue

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

At a glance

18 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Zürich Worldtimer midnight blue39.9mm
Power Reserve
Reef 39.5 mm56h
Zürich Worldtimer midnight blue42 hoursh
Water Resistance
Reef 39.5 mm300m
Zürich Worldtimer midnight blue50m
MSRP
Reef 39.5 mm$2,230
Zürich Worldtimer midnight blue$6,870

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
39.5mm
39.9mm
Thickness
11mm
10.9mm
Lug-to-Lug
45.5mm
49.4mm
Lug Width
22mm
20mm
Finish
Brushed and polished
Water Resistance
300m
50m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Bahama Blue
Blue
Indices
Applied
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
Sellita SW300-1
DUW 5201
Beat Rate
28,800 vph
21,600 vph
Power Reserve
56h
42 hoursh
Jewels
25
26

Pricing

1 specs
MSRP
$2,230
$6,870

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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.

NOMOS Glashütte Zürich Worldtimer midnight blue

Owners and reviewers widely praise the NOMOS Glashütte Zürich Worldtimer midnight blue for its excellent finishing, particularly the deep, textured Blaugold dial and polished case, and its well-regarded Epsilon movement. The dual-timezone complication is noted as sharp and functional, though one reviewer points out it functions as a GMT rather than a true 24-hour worldtimer. Some owners find the dial slightly difficult to read at a glance and the asymmetry of the timezone disk detracts from elegance, while others praise its visual intrigue. The 10.9mm thickness is considered by some to be less ideal for a dress watch compared to thinner options, and the 50mm lug-to-lug length on the 40mm case is a point of contention, with some finding it potentially awkward on smaller wrists. On balance, owners and reviewers highly value the NOMOS Glashütte Zürich Worldtimer midnight blue for its impressive finishing and unique dial at its price point.

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