Side by side

Formex Reef 39.5 mmvsTissot Seastar 1000

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
Seastar 1000
TissotSeastar 1000
MSRP $515

At a glance

12 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Seastar 100036mm
Power Reserve
Reef 39.5 mm56h
Seastar 100040h
Water Resistance
Reef 39.5 mm300m
Seastar 1000300m
MSRP
Reef 39.5 mm$2,230
Seastar 1000$515

Full specifications

Case

4 specs
Diameter
39.5mm
36mm
Thickness
11mm
9.67mm
Lug-to-Lug
45.5mm
36mm
Lug Width
22mm
18mm

Crystal & Dial

4 specs
AR Coating
Inner
Yes
Dial Color
Bahama Blue
White
Indices
Applied
Indexes
Lume
Super-LumiNova
Super-LumiNova ®

Movement

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

Pricing

1 specs
MSRP
$2,230
$515

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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.

Tissot Seastar 1000

Owners widely praise the Tissot Seastar 1000 for its 300m water resistance, 80-hour power reserve, and Swiss movement at its price point, with some highlighting its comfortable, sporty feel and great case/dial ratio. However, community members are split on its proportions, with some finding the indices small and the hands and bezel ill-proportioned, while others note the quartz models offer good value with solid build. The lume is described as unremarkable and not long-lasting, and the bracelet clasp on quartz models is considered flimsy by one owner. On balance, owners and reviewers appreciate the Tissot Seastar 1000 for its robust specifications and value, particularly its impressive water resistance and power reserve.

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