Side by side

Formex Reef GMTvsSpinnaker Hull Chronograph

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

Reef GMT
FormexReef GMT
MSRP $2,235
Hull Chronograph
SpinnakerHull Chronograph
MSRP $149

At a glance

11 of 29 specs differ
Diameter
Reef GMT42mm
Hull Chronograph42mm
Power Reserve
Reef GMT56h
Hull Chronograph40h
Water Resistance
Reef GMT300m
Hull Chronograph100m
MSRP
Reef GMT$2,235
Hull Chronograph$149

Full specifications

Case

5 specs
Category
GMT
Chronograph
Thickness
11.4mm
15mm
Lug-to-Lug
47mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Black
Maroon
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW330-2
Seiko VK64
Type
Automatic
Quartz
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,235
$149

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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 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.

Spinnaker Hull Chronograph

Owners widely praise the Spinnaker Hull Chronograph for its stunning textured dial and impressive value, with a meca-quartz movement offering quartz accuracy and mechanical chronograph function. The build quality, including a milled clasp, solid links, and sapphire crystal with AR coating, is noted as exceeding expectations for the price. One owner finds the 42mm case wearable due to short lugs, while another describes the dial as gorgeous and the watch as running perfectly. However, one owner reports a $198 repair quote for a cracked crystal, described as "fused to the case," though other forum members dispute this cost. The lume is considered mediocre, and the 24-hour subdial is seen by one owner as functionally futile. On balance, owners rate the Spinnaker Hull Chronograph highly for its exceptional dial and build quality at its price point.

From video reviewers

The Spinnaker Burnt Maroon features a reliable and accurate Seiko VK73 movement. A suitable lug-to-lug fit makes it suitable for smaller wrists. The watch's 15mm thickness may be a drawback for some, particularly those with smaller wrists or those who prefer a more compact watch.

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