Side by side

Formex Reef 42 mmvsTudor Black Bay 58

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
Black Bay 58
TudorBlack Bay 58
MSRP $5,350

At a glance

17 of 29 specs differ
Diameter
Reef 42 mm42mm
Black Bay 5839mm
Power Reserve
Reef 42 mm56h
Black Bay 5865h
Water Resistance
Reef 42 mm300m
Black Bay 58200m
MSRP
Reef 42 mm$2,414
Black Bay 58$5,350

Full specifications

Case

7 specs
Diameter
42mm
39mm
Thickness
11.4mm
11.7mm
Lug-to-Lug
47mm
46mm
Lug Width
22mm
20mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Inner
Lume
Super-LumiNova
None

Movement

6 specs
Caliber
Sellita SW300-1
MT5400-U
Beat Rate
28,800 vph
0 vph
Power Reserve
56h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$2,414
$5,350

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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.

Tudor Black Bay 58

The Tudor Black Bay 58 is widely praised for its superb wearing experience, perfect proportions, and comfortable wearability, with owners anticipating it becoming a Tudor classic. Reviewers highlight its substantial, rugged build quality and significant value, rivaling more expensive timepieces. One owner notes the clasp's sharp shield as a minor annoyance.

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