Side by side

Formex Reef 39.5 mmvsVaer Calendar Field

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
Calendar Field
VaerCalendar Field
MSRP $189

At a glance

13 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Calendar Field36mm
Power Reserve
Reef 39.5 mm56h
Calendar Field40h
Water Resistance
Reef 39.5 mm300m
Calendar Field100m
MSRP
Reef 39.5 mm$2,230
Calendar Field$189

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
39.5mm
36mm
Thickness
11mm
8.4mm
Lug-to-Lug
45.5mm
43mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW300-1
Miyota 2035
Type
Automatic
Quartz
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,230
$189

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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.

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.

Vaer Calendar Field

Owners widely praise the Vaer Calendar Field for its excellent value, citing its clean WWII-inspired dial, thin 8.5mm to 9.5mm case, sapphire crystal, and 100m water resistance. The dial and hand design are consistently highlighted as phenomenal, with case finishing described as next-level for the price, featuring nice brushing. Some owners note the second hand does not perfectly align with markers, and the stock silicone strap attracts lint. One owner found the lume only serviceable and wished the date window was brighter. On balance, owners rate the Vaer Calendar Field highly for its exceptional dial design and case finishing at its price point.

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