Which is cheaper, the Sinn 6052 or the Formex Reef 39.5 mm?

At MSRP the Formex Reef 39.5 mm is the cheaper of the two at $2,230, against $5,929 for the Sinn 6052 — a $3,699 gap before any retailer discounting.

Which is bigger, the Sinn 6052 or the Formex Reef 39.5 mm?

The Sinn 6052 wears larger at 41.5mm versus 39.5mm for the Formex Reef 39.5 mm — a 2mm difference across the dial.

Which has better water resistance, the Sinn 6052 or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm is rated to 300m versus 100m for the Sinn 6052.

Which has a longer power reserve, the Sinn 6052 or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm carries a 56-hour power reserve against 42 hours on the Sinn 6052.

What movement does the Sinn 6052 run compared to the Formex Reef 39.5 mm?

Both watches run automatic movements — the Sinn 6052 uses the Sinn SZ03 and the Formex Reef 39.5 mm uses the Sellita SW300-1.

Side by side

Sinn 6052vsFormex Reef 39.5 mm

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

MSRP $5,929

MSRP $2,230

See the full Reef 39.5 mm

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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.

Sinn 6052

Owners praise the Sinn 6052 for its legible calendar and chronograph functions, and its classy sunburst dial. Some find the watch wears larger than its 41.5mm case size. The movement is noted to exhibit the characteristic "wobble" of the Valjoux 775x base. On balance, owners and reviewers rate the Sinn 6052 highly for its impressive functionality and attractive dial at its price point.

Fratello

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.

Fratello·2

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