Side by side

Formex Reef 39.5 mmvsLongines LEGEND DIVER 42 BLACK LACQUERED

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
LEGEND DIVER 42 BLACK LACQUERED
LonginesLEGEND DIVER 42 BLACK LACQUERED
MSRP $3,200

At a glance

9 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
LEGEND DIVER 42 BLACK LACQUERED42mm
Power Reserve
Reef 39.5 mm56h
LEGEND DIVER 42 BLACK LACQUERED72h
Water Resistance
Reef 39.5 mm300m
LEGEND DIVER 42 BLACK LACQUERED300m
MSRP
Reef 39.5 mm$2,230
LEGEND DIVER 42 BLACK LACQUERED$3,200

Full specifications

Case

3 specs
Diameter
39.5mm
42mm
Thickness
11mm
12.7mm
Lug-to-Lug
45.5mm
52.6mm

Crystal & Dial

2 specs
AR Coating
Inner
Both sides
Dial Color
Bahama Blue
Black

Movement

3 specs
Caliber
Sellita SW300-1
L888.5
Beat Rate
28,800 vph
25,200 vph
Power Reserve
56h
72h

Pricing

1 specs
MSRP
$2,230
$3,200

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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.

Longines LEGEND DIVER 42 BLACK LACQUERED

Owners widely praise the Longines LEGEND DIVER 42 BLACK LACQUERED for its retro design and versatility, with some noting it wears smaller than its dimensions suggest and its crystal height contributes to a perceived thinness. However, the 50mm lug-to-lug length is a point of contention, with some finding it a drawback while others report it fits flush on larger wrists and curves well on smaller ones. The clasp is reported to scratch easily, and some owners note dust can collect on the dial, while the lume is considered not strong and the bracelet lacks end links. Overall, owners value the Longines LEGEND DIVER 42 BLACK LACQUERED for its appealing vintage aesthetic and comfortable wearability, despite some practical concerns regarding the clasp and dial.

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