Addiesdive Marinemaster 300vsSeiko Purchase Prospex
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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
Purchase Prospex
Diameter
44mm
45mm
Lug-to-Lug
n/a
47.7mm
Thickness
17mm
13.2mm
lowest
Water Resistance
300m
highest
200m
Power Reserve
n/a
41h
MSRP
$139
lowest
$755
Movement
Seiko NH35
Seiko 4R36
Case
5 specsCrystal & Dial
1 specsMovement
2 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 beauty of the Seiko Prospex HBB002K1. Some owners question the value proposition at its $750 limited-edition price point, citing the use of a budget movement when Seiko offers newer 6R series calibers. On balance, owners find the Seiko Prospex HBB002K1 beautiful, though some express reservations about its value given the movement choice.
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