Side by side

Geckota Airstream FrontiervsFormex Reef 39.5 mm

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

Airstream Frontier
GeckotaAirstream Frontier
MSRP $299
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

12 of 29 specs differ
Diameter
Airstream Frontier36mm
Reef 39.5 mm39.5mm
Power Reserve
Airstream Frontier40h
Reef 39.5 mm56h
Water Resistance
Airstream Frontier100m
Reef 39.5 mm300m
MSRP
Airstream Frontier$299
Reef 39.5 mm$2,230

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
36mm
39.5mm
Thickness
11.95mm
11mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Black
Bahama Blue
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW300-1
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$299
$2,230

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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.

Geckota Airstream Frontier

I cannot provide a synthesis. The five per-source summaries provided describe five different watches — Geckota Handmade Classic Vintage Racing strap, Forzo Drive King, York & Front Burrard, Zenith Defy Skyline, and Grand Seiko White Birch SLGH005 — none of which is the Geckota Black Textured stated in the watch field. There is no source material about the Geckota Black Textured itself. Output: NO_USEFUL_CONTENT

Formex Reef 39.5 mm

The Formex Reef 39.5 mm is widely praised for its refined finishing, comfortable and well-proportioned case design, and impressive specifications for its price point, including COSC-certified Sellita SW300-1 movement and 300m water resistance. Owners and reviewers highlight the tool-less micro-adjust clasp and quick-release spring bars as practical features. Some reviewers note that the 22mm lug width feels slightly disproportionate to the smaller case, and the bracelet could benefit from more taper, though this is a point of contention for some owners who value the overall package. A prototype crown protrusion issue is noted as being addressed for production. On balance, owners and reviewers rate the Formex Reef 39.5 mm highly for its excellent value and well-executed design.

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