Formex Reef 39.5 mmvsSeiko Captain Willard

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Formex Reef 39.5 mm at true scale

Reef 39.5 mm

Seiko Captain Willard at true scale

Captain Willard

Diameter

39.5mm

42.7mm

Lug-to-Lug

45.5mm

lowest

46.6mm

Thickness

11mm

lowest

13.2mm

Water Resistance

300m

highest

200m

Power Reserve

56h

70h

highest

MSRP

$2,230

$1,300

lowest

Movement

Sellita SW300-1

Seiko 6R35

Case

5 specs
Diameter
39.5mm
42.7mm
Thickness
11mm
13.2mm
Lug-to-Lug
45.5mm
46.6mm
Lug Width
22mm
20mm
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
underside
Dial Color
Bahama Blue
Black
Lume
Super-LumiNova
LumiBrite

Movement

3 specs
Caliber
Sellita SW300-1
Seiko 6R35
Power Reserve
56h
70h
Jewels
0
24

Pricing

1 specs
MSRP
$2,230
$1,300
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Reviews

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, improved proportions, and compelling value under €2,000. Owners and reviewers highlight its comfortable wearability on smaller wrists, unique aesthetic, and impressive specifications including 300m water resistance and a COSC-certified Sellita SW300-1 movement. Some note the 22mm lug width feels slightly disproportionate and the bracelet could benefit from more taper. A prototype crown protrusion issue is expected to be resolved in production. Overall, owners rate the Formex Reef 39.5 mm highly for its excellent build quality and tool-like features at its price point.

Seiko Captain Willard

The Seiko Captain Willard is praised for its supremely wearable 42.7mm case, icy white textured dial, and bright LumiBrite lume, with reviewers noting impressive finishing and value over $1,000. Some models feature a unique azurage textured navy blue bezel insert, while others have a matte grey or unidirectional bezel with cream accents. The Seiko Captain Willard houses the 6R35 automatic movement with a 70-hour power reserve and 200m water resistance, though one reviewer questions if its performance specs match its price. Overall, owners and reviewers rate the Seiko Captain Willard highly for its comfortable slim profile and excellent LumiBrite lume at its price point.