Side by side

Formex Reef GMTvsSeiko King Seiko VANAC Seiko Boutique Exclusive Edition

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

Reef GMT
FormexReef GMT
MSRP $2,235

At a glance

13 of 29 specs differ
Diameter
Reef GMT42mm
King Seiko VANAC Seiko Boutique Exclusive Edition41mm
Power Reserve
Reef GMT56h
King Seiko VANAC Seiko Boutique Exclusive Edition72h
Water Resistance
Reef GMT300m
King Seiko VANAC Seiko Boutique Exclusive Edition100m
MSRP
Reef GMT$2,235
King Seiko VANAC Seiko Boutique Exclusive Edition$3,300

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
42mm
41mm
Thickness
11.4mm
14.3mm
Lug-to-Lug
47mm
45.1mm
Lug Width
22mm
17mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW330-2
8L45
Power Reserve
56h
72h
Jewels
25
35

Pricing

1 specs
MSRP
$2,235
$3,300

Follow this matchup

Get a note when Formex Reef GMT vs Seiko King Seiko VANAC Seiko Boutique Exclusive Edition gets more votes, a community discussion, or a price drop. No account needed.

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 GMT

The Formex Reef GMT is widely praised for its unique porthole case shape, COSC-certified Sellita SW330-2 movement with good finishing, and comfortable quick-release bracelet with on-the-fly micro-adjustment. Reviewers note its robust construction, impressive specifications, and strong value proposition, with a slim 11.4mm profile accommodating 300m water resistance and an exhibition caseback. However, owners widely report the 53mm lug-to-lug span with male endlinks makes it too large for smaller wrists. Some find the bezel action stiff and potentially slippery, and a reviewer desired sharper finishing and edges, deeming the aesthetic too modernist. The GMT variant sacrifices a timing bezel unless swapped, and one owner notes sharp edges on the crown and crown guard. Overall, owners and reviewers highly rate the Formex Reef GMT for its exceptional value and well-executed features, particularly its bracelet system and COSC-certified movement.

From video reviewers

The watch features a COSC-certified SW330-2 GMT movement, which is visible through a sapphire crystal display case back and beautifully decorated. The watch's water-resistance of up to 300m/1000ft is a notable feature. The 42mm diameter may be too large for smaller wrists.

Seiko King Seiko VANAC Seiko Boutique Exclusive Edition

Owners and reviewers widely praise the King Seiko VANAC Seiko Boutique Exclusive Edition for its intricate finishing on its angular case and bracelet, comfortable feel on the wrist, and retro-inspired design. Specific call-outs include the crisp blue-and-white colorway, vibrant titanium case design, novel dial ring, and striking purple dial options. Owners consider it a premium and value-for-money piece, appreciating its dial texture, polished and brushed finishes, and intentional 70s-inspired aesthetic. The 8L45 movement is noted for its 70-72 hour power reserve, with accuracy figures ranging from +10/-5 seconds per day to -5/+10 seconds per day. One reviewer found the accuracy not great for the price point, while another noted it as slightly loose compared to other brands. The lack of lume limits it to daytime use, and the hidden butterfly clasp is considered unintuitive by one source. Some owners wished the bracelet tapered more at the clasp.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.