Side by side

Formex Reef 42 mmvsSugess Seestern Heritage S436-2 BB GMT

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
Seestern Heritage S436-2 BB GMT
SugessSeestern Heritage S436-2 BB GMT
MSRP $299

At a glance

12 of 29 specs differ
Diameter
Reef 42 mm42mm
Seestern Heritage S436-2 BB GMT40mm
Power Reserve
Reef 42 mm56h
Seestern Heritage S436-2 BB GMT35h
Water Resistance
Reef 42 mm300m
Seestern Heritage S436-2 BB GMT10m
MSRP
Reef 42 mm$2,414
Seestern Heritage S436-2 BB GMT$299

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
42mm
40mm
Thickness
11.4mm
12.2mm
Lug-to-Lug
47mm
48mm
Lug Width
22mm
20mm
Water Resistance
300m
10m

Crystal & Dial

1 specs
Lume
Super-LumiNova
Tritium

Movement

4 specs
Caliber
Sellita SW300-1
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
56h
35h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$2,414
$299

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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.

Sugess Seestern Heritage S436-2 BB GMT

Owners widely praise the Sugess Seestern Heritage S436-2 BB GMT for its 39mm sizing, 12mm thinness, and light yet solid feel, with many appreciating its legibility due to the matte dial, clear crystal, and strong lume, though one owner flags the lume as a weak point. The case finishing is considered excellent, and the blue dial and satin finish are favorably compared to alternatives. Some owners report issues with a loose bezel, with others finding it improved after tuning, and one owner notes the seconds hand is too short. The bracelet clasp lacks sufficient micro-adjustment and screw pins are difficult to remove. On balance, owners rate the Sugess Seestern Heritage S436-2 BB GMT highly for its comfortable wearability and attractive finishing at the price.

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