Which is cheaper, the Formex Reef 42 mm or the Grand Seiko SBGP007?

At MSRP the Formex Reef 42 mm is the cheaper of the two at $2,414, against $3,900 for the Grand Seiko SBGP007 — a $1,486 gap before any retailer discounting.

Which is bigger, the Formex Reef 42 mm or the Grand Seiko SBGP007?

The Formex Reef 42 mm wears larger at 42mm versus 40mm for the Grand Seiko SBGP007 — a 2mm difference across the dial.

Which has better water resistance, the Formex Reef 42 mm or the Grand Seiko SBGP007?

The Formex Reef 42 mm is rated to 300m versus 100m for the Grand Seiko SBGP007.

Which has a longer power reserve, the Formex Reef 42 mm or the Grand Seiko SBGP007?

The Formex Reef 42 mm carries a 56-hour power reserve against 40 hours on the Grand Seiko SBGP007.

What movement does the Formex Reef 42 mm run compared to the Grand Seiko SBGP007?

The Formex Reef 42 mm runs a automatic caliber (Sellita SW300-1), while the Grand Seiko SBGP007 runs a quartz (9F85).

Side by side

Formex Reef 42 mmvsGrand Seiko SBGP007

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

Formex Reef 42 mm

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

MSRP $2,414

Grand Seiko SBGP007

sbgp007g

MSRP $3,900

At a glance

12 of 29 specs differ

Diameter

Reef 42 mm42mm

SBGP00740mm

Power Reserve

Reef 42 mm56h

SBGP00740h

Water Resistance

Reef 42 mm300m

SBGP007100m

MSRP

Reef 42 mm$2,414

SBGP007$3,900

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Sellita SW300-1

9F85

Type

Automatic

Quartz

Power Reserve

56h

40h

Pricing

1 specs

MSRP

$2,414

$3,900

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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.

Grand Seiko SBGP007 owners widely praise its finishing and the quality of its stainless steel case and bracelet with solid end links. The watch features a 40mm case, a smooth bezel, a deep blue textured dial, and Grand Seiko alpha hands. It is powered by the Seiko calibre 9F85 quartz movement. Owners are split on the red seconds hand and gold star emblem, with some finding them too bright or childish, while others defend the star as a mark of accuracy. The $3900 MSRP is debated, with some considering it high for a quartz watch. Overall, owners rate the Grand Seiko SBGP007 highly for its exceptional finishing at the price point, despite some debate over aesthetic details.

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