Sangin Instruments Atlas IIIvsSeiko Prospex Sea
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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.
Atlas III
Prospex Sea
Diameter
42mm
41.3mm
Lug-to-Lug
n/a
48.2mm
Thickness
n/a
12.5mm
Water Resistance
200m
300m
highest
Power Reserve
n/a
72h
MSRP
$949
lowest
$1,100
Movement
La Joux-Perret G100
Seiko 6R55
Case
6 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Sangin Instruments Atlas III for its great quality and value, with one owner noting it is hundreds of dollars cheaper than alternatives. The watch is reported to be in excellent condition with minor rub marks visible only up close and is keeping very good time. Some owners find the omission of minute indices bothersome, and one owner prefers a different model due to its smaller case size and lug geometry. Overall, owners rate the Sangin Instruments Atlas III highly for its excellent quality and value from a lesser-known company.
Owners and reviewers widely praise the Seiko Prospex Sea for its robust build quality and fair price, with many noting its comfortable silicone strap. Some owners find the watch's size, thickness, and weight to be uncomfortable for smaller wrists, while others consider the size perfect. The consensus is that the Seiko Prospex Sea offers excellent value and build quality for its price.
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