Balticus Watches Balticus Deep WatervsSeiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special 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.

Balticus Deep Water

Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition
Diameter
42mm
40.5mm
Lug-to-Lug
n/a
47.6mm
Thickness
n/a
13.2mm
Water Resistance
300m
highest
200m
Power Reserve
42h
70h
highest
MSRP
$1,011
lowest
$1,250
Movement
Miyota 9015
Seiko 6R35
Case
5 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Balticus Watches Balticus Deep Water is described as built like a tank with a non-tapered 22mm bracelet. It features a Damascus steel case and buckle with a wavy pattern, paired with a meteorite dial for a raw aesthetic. On balance, owners appreciate the Balticus Deep Water Stardust for its robust build and unique dial and case materials.
Owners widely praise the Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition for its unique dial color and execution, with one owner noting the 44mm lug-to-lug is perfect for most wrists. The watch is considered a refined piece with a fun factor, featuring a dial inspired by Okinawa's ocean colors expected to have a bright sunburst effect. Accuracy figures for the 6R35 movement range, with one owner reporting -10/+10 seconds per day as "pretty amazing," while others note issues with the 6R movement's accuracy. Some owners find the price of 1500€ too high, suggesting a value closer to 900€. On balance, owners and reviewers rate the Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition well for its dial execution and wearability, despite some debate over its price point.
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