Side by side

Formex Reef 39.5 mmvsStraton Straton Daily Driver MKII

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
Straton Daily Driver MKII
StratonStraton Daily Driver MKII
MSRP $299

At a glance

19 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Straton Daily Driver MKII44mm
Power Reserve
Reef 39.5 mm56h
Straton Daily Driver MKII
Water Resistance
Reef 39.5 mm300m
Straton Daily Driver MKII200m
MSRP
Reef 39.5 mm$2,230
Straton Daily Driver MKII$299

Full specifications

Case

8 specs
Category
Diver
Chronograph
Diameter
39.5mm
44mm
Thickness
11mm
14mm
Lug-to-Lug
45.5mm
50mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Yes
Dial Color
Bahama Blue
Indices
Applied
Lume
Super-LumiNova
None

Movement

5 specs
Caliber
Sellita SW300-1
Miyota 6S21
Type
Automatic
Quartz
Beat Rate
28,800 vph
0 vph
Power Reserve
56h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$2,230
$299

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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.

Straton Daily Driver MKII

Owners praise the Straton Daily Driver MKII for its AR-coated sapphire crystal and reliable Miyota 6S21 quartz movement at its price, with the comfortable Barton band fitting well for daily wear. The watch features a clean white dial with double panda chronograph subdials, stick indices, and a thin black bezel that owners find visually appealing. One caveat is availability — the watch is difficult to find for sale. Overall, the consensus is that the Straton Daily Driver MKII offers strong value through its sapphire crystal and quartz reliability, marred primarily by scarcity in the market.

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