Side by side

Formex Reef 42 mmvsGrand Seiko SBGY007

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
SBGY007
Grand SeikoSBGY007
MSRP $8,900

At a glance

12 of 29 specs differ
Diameter
Reef 42 mm42mm
SBGY00738.5mm
Power Reserve
Reef 42 mm56h
SBGY00772h
Water Resistance
Reef 42 mm300m
SBGY00730m
MSRP
Reef 42 mm$2,414
SBGY007$8,900

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
42mm
38.5mm
Thickness
11.4mm
10.2mm
Lug-to-Lug
47mm
43.7mm
Lug Width
22mm
19mm
Water Resistance
300m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW300-1
9R31
Type
Automatic
Spring Drive
Power Reserve
56h
72h

Pricing

1 specs
MSRP
$2,414
$8,900

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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 SBGY007

Grand Seiko SBGY007 owners and reviewers widely praise its stunning, textured blue dial, inspired by frozen Lake Suwa, and its clean, time-only aesthetic. The watch is lauded for its impeccable finishing, including high polish and Zaratsu polishing, and its classic, thin 38.5mm stainless steel dress case. The hand-wound Spring Drive Caliber 9R31 movement is noted for its accuracy, rated to ±1 second per day, and a 72-hour power reserve, with its power reserve indicator discreetly placed on the case back. While some reviewers suggest room for improvement in Grand Seiko's pricing structure, the $8,300 USD price is seen by others as a relatively affordable entry into the brand's high-end offerings. On balance, the consensus is that the Grand Seiko SBGY007 is highly regarded for its exceptional dial artistry and refined finishing at its price point.

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