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 $875

At a glance

11 of 29 specs differ
Diameter
Reef 39.5 mm39.5mm
Seastar 100040mm
Power Reserve
Reef 39.5 mm56h
Seastar 100080h
Water Resistance
Reef 39.5 mm300m
Seastar 1000300m
MSRP
Reef 39.5 mm$2,230
Seastar 1000$875

Full specifications

Case

4 specs
Diameter
39.5mm
40mm
Thickness
11mm
12.48mm
Lug-to-Lug
45.5mm
40mm
Lug Width
22mm
20mm

Crystal & Dial

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

Movement

2 specs
Caliber
Sellita SW300-1
Powermatic 80
Power Reserve
56h
80h

Pricing

1 specs
MSRP
$2,230
$875

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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 value, solid build, and 300m water resistance, with reviewers highlighting its comfortable wearability and affordable price point for a sporty diver. Some owners find the bezel difficult to use and note glare from the crystal, while others criticize the lume and bracelet quality, with one owner describing the clasp as flimsy. Accuracy figures for the quartz models are excellent, and the Powermatic 80 movement is considered reliable. Overall, owners and reviewers rate the Tissot Seastar 1000 highly for its strong value proposition as a sporty, affordable everyday watch.

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