Addiesdive Marinemaster 300vsSeiko Prospex Sea PADI 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.
Marinemaster 300
Prospex Sea PADI Special Edition
Diameter
44mm
45mm
Lug-to-Lug
n/a
52.6mm
Thickness
17mm
13.4mm
lowest
Water Resistance
300m
highest
200m
Power Reserve
n/a
70h
MSRP
$139
lowest
$1,200
Movement
Seiko NH35
Seiko 6R35
Case
4 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Addiesdive Marinemaster 300 Luxury Men's Automatic for its excellent value, good dial and lume quality, and the reliable Seiko NH35 movement. Some owners report the watch holds about 12 hours of charge, requiring manual winding, with one owner noting their NH35 movement stopped while at rest. Skepticism exists regarding the advertised water resistance for actual diving and the reliability of the warranty service, which requires shipping to China. Overall, owners rate the Addiesdive Marinemaster 300 Luxury Men's Automatic highly for its impressive lume and value at the price point.
Owners widely praise the Seiko Prospex Sea PADI Special Edition for its attractive PADI color scheme and dials, with many noting its robust build quality and excellent lume. Reviewers and owners alike highlight the value proposition, with one owner stating the bracelet exceeds expectations for its price point. Some owners find the watch chunky and potentially top-heavy, while others note the lug-to-lug measurement can be long for smaller wrists. One owner reported that the 6R35 movement in their Alpinist was not great, and another warned about the pin and collar system on the bracelet. Overall, owners and reviewers rate the Seiko Prospex Sea PADI Special Edition highly for its distinctive design and value.
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