Which is cheaper, the Nivada Grenchen F77 MK2 41mm Automatic or the Formex Reef 42 mm?

At MSRP the Nivada Grenchen F77 MK2 41mm Automatic is the cheaper of the two at $1,460, against $2,414 for the Formex Reef 42 mm — a $954 gap before any retailer discounting.

Which is bigger, the Nivada Grenchen F77 MK2 41mm Automatic or the Formex Reef 42 mm?

The Formex Reef 42 mm wears larger at 42mm versus 41mm for the Nivada Grenchen F77 MK2 41mm Automatic — a 1mm difference across the dial.

Which has better water resistance, the Nivada Grenchen F77 MK2 41mm Automatic or the Formex Reef 42 mm?

The Formex Reef 42 mm is rated to 300m versus 100m for the Nivada Grenchen F77 MK2 41mm Automatic.

Which has a longer power reserve, the Nivada Grenchen F77 MK2 41mm Automatic or the Formex Reef 42 mm?

The Formex Reef 42 mm carries a 56-hour power reserve against 38 hours on the Nivada Grenchen F77 MK2 41mm Automatic.

What movement does the Nivada Grenchen F77 MK2 41mm Automatic run compared to the Formex Reef 42 mm?

Both watches run automatic movements — the Nivada Grenchen F77 MK2 41mm Automatic uses the Soprod M100 and the Formex Reef 42 mm uses the Sellita SW300-1.

Side by side

Nivada Grenchen F77 MK2 41mm AutomaticvsFormex Reef 42 mm

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

Nivada Grenchen F77 MK2 41mm Automatic

F77 MK2 41mm

MSRP $1,460

Formex Reef 42 mm

reef-42mm-automatic-cosc-300m-black

MSRP $2,414

At a glance

12 of 29 specs differ

Diameter

F77 MK2 41mm Automatic41mm

Reef 42 mm42mm

Power Reserve

F77 MK2 41mm Automatic38h

Reef 42 mm56h

Water Resistance

F77 MK2 41mm Automatic100m

Reef 42 mm300m

MSRP

F77 MK2 41mm Automatic$1,460

Reef 42 mm$2,414

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Underside

Inner

Dial Color

Meteorite

Black

Movement

3 specs

Caliber

Soprod M100

Sellita SW300-1

Beat Rate

28 vph

28,800 vph

Power Reserve

38h

56h

Pricing

1 specs

MSRP

$1,460

$2,414

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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.

Nivada Grenchen F77 MK2 41mm Automatic

The Nivada Grenchen F77 MK2 41mm Automatic is praised for its comfortable wearability, with reviewers highlighting its reworked integrated lug design and slim case profile. The "carbon effect" basketweave dial is frequently cited as a modern, distinctive touch on the retro design. The watch is powered by the Soprod P024 automatic movement, which has a 38-hour power reserve. Some find the gold-plated version loud, and the dauphine hands lack lume. The stainless steel model is priced at $1,460 to $1,560 USD. On balance, reviewers consider the Nivada Grenchen F77 MK2 41mm Automatic a strong integrated bracelet option at its price point, lauded for its unique design and comfortable fit.

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.

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