Side by side

Formex Reef 39.5 mmvsZelos Helmsman 3

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

Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230
Helmsman 3
ZelosHelmsman 3
MSRP $529

At a glance

12 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Helmsman 340mm
Power Reserve
Reef 39.5 mm56h
Helmsman 340h
Water Resistance
Reef 39.5 mm300m
Helmsman 3200m
MSRP
Reef 39.5 mm$2,230
Helmsman 3$529

Full specifications

Case

6 specs
Diameter
39.5mm
40mm
Thickness
11mm
11.5mm
Lug-to-Lug
45.5mm
40mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

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

Movement

2 specs
Caliber
Sellita SW300-1
Miyota 9015
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,230
$529

Follow this matchup

Get a note when Formex Reef 39.5 mm vs Zelos Helmsman 3 gets more votes, a community discussion, or a price drop. No account needed.

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 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.

Zelos Helmsman 3

Owners widely praise the Zelos Helmsman 3 for its exceptional finishing and polishing on the titanium case, with some noting it feels nicer than previous models. The unique Titanium Crystalline Dial and Damascus Titanium dial are frequently highlighted as aesthetically pleasing and head-turning features, especially considering the price point. The brushed beads of rice bracelet is described as fitting well, and the on-the-fly clasp is considered amazing. Lume is also noted as great, with lumed crowns being a positive observation. However, some owners report the watch can feel top-heavy with sharp edges, making it uncertain as a daily driver for some. The meteorite bezel is seen by one owner as not adding significant value, and the stock strap's keepers and stitching were considered to detract from the watch's appearance.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.