Side by side

Formex Reef 39.5 mmvsSeiko Presage Cocktail Time

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
Presage Cocktail Time
SeikoPresage Cocktail Time
MSRP $625

At a glance

14 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Presage Cocktail Time40.5mm
Power Reserve
Reef 39.5 mm56h
Presage Cocktail Time41h
Water Resistance
Reef 39.5 mm300m
Presage Cocktail Time50m
MSRP
Reef 39.5 mm$2,230
Presage Cocktail Time$625

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
39.5mm
40.5mm
Thickness
11mm
12.8mm
Lug-to-Lug
45.5mm
47.5mm
Lug Width
22mm
20mm
Water Resistance
300m
50m

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Box
Dial Color
Bahama Blue
Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW300-1
4R34
Power Reserve
56h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$2,230
$625

Follow this matchup

Get a note when Formex Reef 39.5 mm vs Seiko Presage Cocktail Time 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.

Seiko Presage Cocktail Time

Seiko Presage Cocktail Time owners widely praise its stunning dials and excellent value, noting it looks far more expensive than its price point. One owner highlights the green Mockingbird variant's fantastic dial, index, and hand combination, along with a great crown. However, some owners criticize legibility issues due to dial markers and hands disappearing into the sunburst pattern, and find the stock straps and bracelets too short with limited micro-adjustments. One owner also describes the case as big, round, and somewhat boring. Overall, owners rate the Seiko Presage Cocktail Time highly for its visually striking dials and perceived value, despite some concerns regarding legibility and bracelet fit.

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.