Side by side

Formex Reef GMTvsWilliam Wood Triumph Chronograph

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

Reef GMT
FormexReef GMT
MSRP $2,235
Triumph Chronograph
William WoodTriumph Chronograph
MSRP $2,525

At a glance

12 of 29 specs differ
Diameter
Reef GMT42mm
Triumph Chronograph41mm
Power Reserve
Reef GMT56h
Triumph Chronograph40h
Water Resistance
Reef GMT300m
Triumph Chronograph100m
MSRP
Reef GMT$2,235
Triumph Chronograph$2,525

Full specifications

Case

7 specs
Category
GMT
Chronograph
Diameter
42mm
41mm
Thickness
11.4mm
16mm
Lug-to-Lug
47mm
49.5mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Black
Steel
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW330-2
Sellita SW510
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,235
$2,525

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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.

William Wood Triumph Chronograph

The William Wood Triumph Chronograph is a Swiss-made chronograph featuring a 41mm stainless steel case and a Sellita SW510 movement. Reviewers highlight its firefighting-inspired design, including a sandwich dial, unique sub-dials, and upcycled fire hose straps. The watch has a 48-hour power reserve, though the movement is often credited with up to 56 hours. Its 16.5mm height and 49.5mm lug-to-lug measurement mean it wears large on a 7-inch wrist, and the handset is described as flat and blocky. Overall, reviewers appreciate the novel design elements and thematic execution of the William Wood Triumph Chronograph.

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