Side by side

Formex Reef 39.5 mmvsTissot PR516

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
PR516
TissotPR516
MSRP $825

At a glance

13 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
PR51638mm
Power Reserve
Reef 39.5 mm56h
PR51680h
Water Resistance
Reef 39.5 mm300m
PR516100m
MSRP
Reef 39.5 mm$2,230
PR516$825

Full specifications

Case

6 specs
Category
Diver
Sport
Diameter
39.5mm
38mm
Thickness
11mm
11.18mm
Lug-to-Lug
45.5mm
37mm
Lug Width
22mm
20mm
Water Resistance
300m
100m

Crystal & Dial

4 specs
AR Coating
Inner
Yes
Dial Color
Bahama Blue
White
Indices
Applied
Indexes
Lume
Super-LumiNova
Super-LumiNova ®

Movement

2 specs
Caliber
Sellita SW300-1
Powermatic 80
Power Reserve
56h
80h

Pricing

1 specs
MSRP
$2,230
$825

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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.

Tissot PR516

Owners and reviewers widely praise the Tissot PR516 for its vintage-inspired dial, robust case finishing, and the horological substance offered at its price point, with some noting its 38mm size and historical connections as highlights. The manual-wind movement is frequently cited for its 68-hour power reserve and modern technology. However, the watch's 14mm thickness and substantial lug-to-lug distance are noted as potentially making it wear large on smaller wrists. Some owners find the dial bland and the fixed bezel disappointing, while others criticize the basic stamped clasp and simplistic movement finishing visible through the display caseback. On balance, owners and reviewers consider the Tissot PR516 a compelling heritage-inspired sports watch, particularly for its value and vintage motorsport aesthetic.

From video reviewers

The value proposition against competitors is a shared strength. Reviewers did not agree on the case size, with mentions of 40mm and 38mm.

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