Santurce Picúa — Swiss Automatic Dive WatchvsSeiko Prospex Sea 1965 Heritage Diver's Watch
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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.

Picúa — Swiss Automatic Dive Watch

Prospex Sea 1965 Heritage Diver's Watch
Diameter
39mm
40mm
Lug-to-Lug
46mm
lowest
46.4mm
Thickness
12.2mm
lowest
13mm
Water Resistance
300m
300m
Power Reserve
n/a
72h
MSRP
$949
lowest
$1,300
Movement
Sellita SW200-1
Seiko 6R55
Case
3 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Santurce Picúa — Swiss Automatic Dive Watch is widely praised for its 39mm case size and sandblasted steel finish, offering nuanced attention to detail for its price. Reviewers highlight the AR-coated sapphire crystal for its lack of glare and the excellent luminous material application. Owners also note the satisfying winding feel of the Sellita SW200-B automatic movement. Overall, owners and reviewers rate the Santurce Picúa — Swiss Automatic Dive Watch highly for its detailed finishing and wearability at its price point.
Owners widely praise the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined engineering, comfortable 40mm case, and improved 300m water resistance. The watch is noted for its better build quality and finishing compared to some alternatives, featuring a mix of polished and brushed surfaces, with specific callouts for the jewel-toned teal dial with a rippling-water pattern. Some owners consider the price fair, while others suggest it is too high. Accuracy figures vary, with some owners reporting their 6R55 movement performs well within +/- 10 seconds per day, while others note theirs runs slow or have concerns about QC for the price. The bracelet, while improved, lacks modern features like quick-release or extensive micro-adjustments. Overall, owners and reviewers rate the Seiko Prospex Sea 1965 Heritage Diver's Watch highly for its refined design and build quality at its price point.
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