Side by side

Formex Reef 42 mmvsYema Navygraf Heritage

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
Navygraf Heritage
YemaNavygraf Heritage
MSRP $990

At a glance

10 of 29 specs differ
Diameter
Reef 42 mm42mm
Navygraf Heritage39mm
Power Reserve
Reef 42 mm56h
Navygraf Heritage40h
Water Resistance
Reef 42 mm300m
Navygraf Heritage100m
MSRP
Reef 42 mm$2,414
Navygraf Heritage$990

Full specifications

Case

6 specs
Diameter
42mm
39mm
Thickness
11.4mm
10.85mm
Lug-to-Lug
47mm
46mm
Lug Width
22mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW300-1
Sellita SW200
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,414
$990

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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.

Yema Navygraf Heritage

Owners widely praise the Yema Navygraf Heritage for its comfortable 39mm wearability and faithful 1970s reissue design, noting craftsmanship better than expected. Some owners report quality control issues including bezel free play and misalignment, while others find the bezel very tight to turn despite precise 120 clicks. The in-house MBP2000 movement is noted by some to be loud and run approximately +10 to +15 seconds per day. On balance, owners appreciate the Yema Navygraf Heritage for its retro aesthetic and comfortable sizing, with noted concerns around movement accuracy and bezel action.

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