Side by side

Ikepod Seaslug S01vsFormex Reef 39.5 mm

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

Seaslug S01
IkepodSeaslug S01
MSRP $5,859
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

10 of 29 specs differ
Diameter
Seaslug S0139mm
Reef 39.5 mm39.5mm
Power Reserve
Seaslug S0140h
Reef 39.5 mm56h
Water Resistance
Seaslug S01100m
Reef 39.5 mm300m
MSRP
Seaslug S01$5,859
Reef 39.5 mm$2,230

Full specifications

Case

5 specs
Diameter
39mm
39.5mm
Thickness
12mm
11mm
Lug-to-Lug
46mm
45.5mm
Lug Width
20mm
22mm
Water Resistance
100m
300m

Crystal & Dial

2 specs
Dial Color
Black
Bahama Blue
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
ETA 2893
Sellita SW300-1
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$5,859
$2,230

Follow this matchup

Get a note when Ikepod Seaslug S01 vs Formex Reef 39.5 mm 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.

Ikepod Seaslug S01

The Ikepod Seaslug S01 is widely praised for its unique, enthusiast-oriented design and UFO-style, lugless case, with owners reporting it is well-made and a favorite timepiece that garners attention. Reviewers appreciate the Miyota 9039 movement and seamlessly integrated bezel at its price point. Some owners find the 100-meter water resistance insufficient for a dive watch, and one reviewer notes the blue lume is on the weaker side. The proprietary strap system requires OEM or DIY adaptation, and replacement straps can be scarce and costly. On balance, owners and reviewers rate the Ikepod Seaslug S01 highly for its distinctive aesthetic and value.

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.

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.