Seagull Ocean Series 200m Metallic Gradient Dial Calendar Dive Watch 39mmvsSeiko 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.

Ocean Series 200m Metallic Gradient Dial Calendar Dive Watch 39mm

Prospex Sea 1965 Heritage Diver's Watch
Diameter
39mm
40mm
Lug-to-Lug
45.6mm
lowest
46.4mm
Thickness
12.6mm
lowest
13mm
Water Resistance
200m
300m
highest
Power Reserve
n/a
72h
MSRP
$879
lowest
$1,300
Movement
Seagull ST2130
Seiko 6R55
Case
4 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 Seagull Ocean Series 200m Metallic Gradient Dial Calendar Dive Watch 39mm for its attractive metallic gradient dial and flexible bracelet. One owner was pleasantly surprised by the 316L stainless steel build and the dial's finish. The 39mm size is considered appealing, and the watch is described as a bargain offering very good value for money. Some owners note that Seagull's pricing is high compared to microbrand alternatives. Overall, owners rate the Seagull Ocean Series 200m Metallic Gradient Dial Calendar Dive Watch 39mm highly for its attractive design and value proposition.
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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