Side by side

Dan Henry 1975vsFormex Reef GMT

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

1975
Dan Henry1975
MSRP $310
Reef GMT
FormexReef GMT
MSRP $2,235

At a glance

12 of 29 specs differ
Diameter
197539mm
Reef GMT42mm
Power Reserve
197540h
Reef GMT56h
Water Resistance
1975150m
Reef GMT300m
MSRP
1975$310
Reef GMT$2,235

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
39mm
42mm
Thickness
10.5mm
11.4mm
Lug-to-Lug
42mm
47mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
150m
300m

Crystal & Dial

2 specs
Dial Color
White
Black
Lume
None
Super-LumiNova

Movement

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

Pricing

1 specs
MSRP
$310
$2,235

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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.

Dan Henry 1975

Owners and reviewers praise the Dan Henry 1975 for its excellent value, retro styling, attractive dial with orange accents, and thin, wearable case. The bubble crystal is a highlight, though some find the lume weak. The Miyota 9015 movement offers hacking seconds and a 42-hour power reserve, with accuracy reported between -10/+30 seconds per day. The push-pull crown means it is not a true diver, and the black sapphire bezel can wash out in certain light. Overall, owners and reviewers rate the Dan Henry 1975 highly for its retro charm and superb value.

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.

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