Side by side

Formex Reef 42 mmvsGrand Seiko SBGV239

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
SBGV239
Grand SeikoSBGV239
MSRP $3,100

At a glance

12 of 29 specs differ
Diameter
Reef 42 mm42mm
SBGV23940mm
Power Reserve
Reef 42 mm56h
SBGV23940h
Water Resistance
Reef 42 mm300m
SBGV239100m
MSRP
Reef 42 mm$2,414
SBGV239$3,100

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
42mm
40mm
Thickness
11.4mm
10.4mm
Lug-to-Lug
47mm
46.2mm
Lug Width
22mm
19mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW300-1
9F82
Type
Automatic
Quartz
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,414
$3,100

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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 SBGV239

The Grand Seiko SBGV239 is widely praised for its superb timekeeping from the 9F Quartz movement and its excellent finishing, which exceeds expectations. Owners highlight the dial's ability to pop even in poor lighting and its deep blue color that can appear black. The watch's 40mm diameter is also frequently cited as a positive attribute for wearability. Overall, owners rate the Grand Seiko SBGV239 highly for its exceptional finishing and the precise timekeeping of its 9F Quartz movement.

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