Chronotechna SeaQuestvsSeiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition
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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.

SeaQuest

Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition
Diameter
42mm
42mm
Lug-to-Lug
47.7mm
lowest
48.6mm
Thickness
12.4mm
lowest
13.3mm
Water Resistance
300m
300m
Power Reserve
41h
72h
highest
MSRP
n/a
$1,750
Movement
Sellita SW200-1
Seiko 6R54
Case
3 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Chronotechna SeaQuest owners and reviewers praise its build quality and value, with one owner finding it worth its 399 Euro price. The watch features a 42mm steel case, a Sellita SW200-1 automatic movement, and 300m water resistance. However, opinions diverge on the dial and lume; one reviewer highlights a striking blue gradient dial, while an owner criticizes the "blackest black" NanoBlack dial for being hard to read and notes iffy lume. On balance, owners rate the Chronotechna SeaQuest well for its build quality and value, despite mixed opinions on dial legibility and lume.
The watch's super-black coating provides exceptional legibility due to its ultra-low reflectance. Reviewers did not identify any shared weaknesses.
Owners find the Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition very pretty with an excellent, non-bulky 42mm case. Reviewers note its upgraded clasp with a new diving suit extension system and a wave-patterned silvery-white dial. However, the price of €1900 for a Seiko 6R54 movement with accuracy of +25/-15 seconds per day is considered too expensive by some, and the 6000-unit production run is not seen as truly limited. On balance, owners and reviewers find the Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition aesthetically pleasing with a comfortable case, though its value proposition is debated due to the movement's performance and price.
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