Aquastar Deepstar ChronographvsSeiko Essentials Chronograph

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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.

Aquastar Deepstar Chronograph at true scale

Deepstar Chronograph

Seiko Essentials Chronograph at true scale

Essentials Chronograph

Diameter

39mm

40mm

Lug-to-Lug

49mm

45.8mm

lowest

Thickness

14.8mm

11.5mm

lowest

Water Resistance

200m

highest

100m

Power Reserve

55h

n/a

MSRP

$2,790

$415

lowest

Movement

Automatic

Seiko 8T63

Case

5 specs
Diameter
39mm
40mm
Thickness
14.8mm
11.5mm
Lug-to-Lug
49mm
45.8mm
Lug Width
n/a
20mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
Silver
n/a

Movement

3 specs
Caliber
n/a
Seiko 8T63
Type
Automatic
Quartz
Power Reserve
55h
0h

Pricing

1 specs
MSRP
$2,790
$415
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Reviews

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

Aquastar Deepstar Chronograph

Owners widely praise the Aquastar Deepstar Chronograph for its excellent finishing, historical appeal as a faithful 1960s tool watch recreation, and its smooth column wheel chronograph action, with some noting it surpasses competitors. Reviewers and owners alike highlight the 39mm case size as a significant improvement in wearability, though its 14.8mm to 17mm thickness is noted as substantial. The watch features a sapphire crystal with triple AR coating for excellent legibility and 200m water resistance. Some owners express a preference for a bracelet option over the included tropic and leather straps, and one reviewer found the 21mm lug width awkward. Overall, owners and reviewers rate the Aquastar Deepstar Chronograph highly for its authentic vintage tool watch character and impressive build quality at its price point.

Seiko Essentials Chronograph

Owners widely praise the Seiko Essentials Chronograph for its beautiful and fun dial, with one noting the green dial and gold hands, and another finding the dark greenish dial less impressive than black. The watch is considered a great first watch, comfortable for active wear due to its lightweight nature, and enjoyable for its chronograph function. One owner reported the orange stripe on a stopwatch button expanded and fell off in heat, while another found the 40mm case wore smaller than expected. The Seiko Essentials Chronograph is considered beautiful for its price, especially on the grey market. On balance, owners rate the Seiko Essentials Chronograph highly for its attractive dial and comfortable wearability at its price point.

From video reviewers

The watch is praised for its impressive execution and value at its price point. Its 50-meter water resistance is cited as a potential limitation.

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