Side by side

Henry Archer TidslinjevsFormex Reef 39.5 mm

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

Tidslinje
Henry ArcherTidslinje
MSRP $5,699
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

13 of 29 specs differ
Diameter
Tidslinje40mm
Reef 39.5 mm39.5mm
Power Reserve
Tidslinje40h
Reef 39.5 mm56h
Water Resistance
Tidslinje200m
Reef 39.5 mm300m
MSRP
Tidslinje$5,699
Reef 39.5 mm$2,230

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
40mm
39.5mm
Thickness
12.1mm
11mm
Lug-to-Lug
47mm
45.5mm
Lug Width
20mm
22mm
Material
Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

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

Movement

2 specs
Caliber
Miyota 9122
Sellita SW300-1
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$5,699
$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.

Henry Archer Tidslinje

Owners widely praise the Henry Archer Tidslinje for its superb build quality, captivating dial designs, and comfortable wearability, with many highlighting its 40mm size and 12.1mm thickness as very wearable. The triple date function is appreciated for its utility and collection variety, and the beads of rice bracelet is frequently noted for its comfort and quality. Accuracy figures vary, with some owners reporting +/- 2-4 seconds per day and others around 10-15 seconds per day as advertised. Some owners find the day/month indicators and the numbering for days of the week to be tiny and hard to read, and the black bezel is considered disproportionately large and cosmetic by some. One owner noted disappointment that a micro-adjust clasp is no longer offered on the Lunaris model. Overall, owners rate the Henry Archer Tidslinje highly for its captivating design and excellent value for money.

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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