Side by side

HELM MiyakovsFormex Reef 39.5 mm

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

Miyako
HELMMiyako
MSRP $375
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

11 of 29 specs differ
Diameter
Miyako40mm
Reef 39.5 mm39.5mm
Power Reserve
Miyako42h
Reef 39.5 mm56h
Water Resistance
Miyako200m
Reef 39.5 mm300m
MSRP
Miyako$375
Reef 39.5 mm$2,230

Full specifications

Case

4 specs
Diameter
40mm
39.5mm
Thickness
13.75mm
11mm
Lug-to-Lug
47mm
45.5mm
Water Resistance
200m
300m

Crystal & Dial

3 specs
Crystal Shape
Double-Domed
Flat
AR Coating
Yes
Inner
Dial Color
Gray
Bahama Blue

Movement

3 specs
Caliber
Sellita SW300-1
Power Reserve
42h
56h
Jewels
24
25

Pricing

1 specs
MSRP
$375
$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.

HELM Miyako

HELM Miyako owners widely praise its exceptional value and quality, with multiple reports highlighting its stunning appearance and dial details. The watch is noted for its excellent accuracy, with figures around +1.5 to +2 seconds per day. One owner found the HELM Miyako to be tough and versatile, fitting well on a 6.6-inch wrist. Overall, owners consider the HELM Miyako an amazing value and a great watch, worth the wait for its availability.

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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