Tissot Seastar 1000vsZelos Hammerhead V3 300m Titanium

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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.

Tissot Seastar 1000 at true scale

Seastar 1000

Zelos Hammerhead V3 300m Titanium at true scale

Hammerhead V3 300m Titanium

Diameter

40mm

44mm

Thickness

12.5mm

lowest

13mm

Water Resistance

300m

300m

Power Reserve

80h

n/a

MSRP

$875

$559

lowest

Movement

Tissot Powermatic 80

Seiko NH35

Case

4 specs
Diameter
40mm
44mm
Thickness
12.48mm
13mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
n/a
Dial Color
Graded grey-black
Ti - Mosaic MOP
Indices
Indexes
n/a
Lume
Super-LumiNova ®
None

Movement

2 specs
Caliber
Tissot Powermatic 80
Seiko NH35
Power Reserve
80h
0h

Pricing

1 specs
MSRP
$875
$559
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

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.

From video reviewers

The 80-hour power reserve from the Powermatic 80 movement is a significant strength. Reviewers did not reach a consensus on any weaknesses.

Zelos Hammerhead V3 300m Titanium

The Zelos Hammerhead V3 300m Titanium is widely praised for its exceptional lume, unique and beautiful dial finishing that reflects light dramatically, and solid build quality that exceeds its price point. Owners also highlight its comfortable wearability, especially the lightweight titanium variant, and the convenient on-the-fly micro-adjustment on the bracelet. One owner notes the Japanese movement performs better than anticipated, and the Ti-Damascus variant features a unique, patterned dial and bezel. However, some owners find the 44mm size large, the crown "off," and the bracelet clasp could be more scratch-resistant, with resizing pins described as stubborn. Reattaching the bracelet after removal is also noted as extremely difficult. Overall, owners rate the Zelos Hammerhead V3 300m Titanium highly for its impressive dial aesthetics and value for money.

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