Blancpain Fifty Fathoms AutomatiquevsSeagull Ocean Series Ultra 1000m Waterproof Helium Valve Design Integrated Rotating Bezel Diving 45mm

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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.

Blancpain Fifty Fathoms Automatique at true scale

Fifty Fathoms Automatique

Seagull Ocean Series Ultra 1000m Waterproof Helium Valve Design Integrated Rotating Bezel Diving 45mm at true scale

Ocean Series Ultra 1000m Waterproof Helium Valve Design Integrated Rotating Bezel Diving 45mm

Diameter

45mm

45mm

Lug-to-Lug

n/a

50mm

Thickness

15.4mm

lowest

15.8mm

Water Resistance

300m

1000m

highest

Power Reserve

120h

n/a

MSRP

$20,700

$875

lowest

Movement

1315

Seagull ST2130

Case

6 specs
Thickness
15.4mm
15.8mm
Lug-to-Lug
n/a
50mm
Lug Width
n/a
22mm
Material
Titanium
Stainless Steel
Finish
Titanium
n/a
Water Resistance
300m
1000m

Crystal & Dial

1 specs
Dial Color
n/a
n/a

Movement

2 specs
Caliber
1315
Seagull ST2130
Power Reserve
120h
0h

Pricing

1 specs
MSRP
$20,700
$875
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Blancpain Fifty Fathoms Automatique

Owners and reviewers widely praise the Blancpain Fifty Fathoms Automatique for its timeless design, excellent legibility, and high-quality finishing, with the sapphire crystal bezel and generously applied luminous material providing excellent brightness. The movement is noted for its haute horlogerie decorations and a 100-hour power reserve. Some owners find the 45mm case size offers comfortable wearability, while others note that smaller variants are surprisingly stealthy and offer daily wearability. The 45mm Automatique sells significantly below its retail price, with unworn examples listed around $12,500. A reviewer found the engraved name on the case side unnecessary, and some note the uncommon strap width limits third-party options, with a lack of quick-release spring bars considered old-school. Overall, owners and reviewers rate the Blancpain Fifty Fathoms Automatique highly for its beautiful design and excellent finishing at the price.

Seagull Ocean Series Ultra 1000m Waterproof Helium Valve Design Integrated Rotating Bezel Diving 45mm

The Seagull Ocean Series Ultra 1000m Waterproof Helium Valve Design Integrated Rotating Bezel Diving Watch 45mm is praised for its fit, finish, and general quality, with one owner comparing it favorably to a Movado Series 800. Reviewers note a well-executed design, a metallic wave pattern on the dial with a blue-to-black gradient, and a domed sapphire bezel as desirable elements. One owner reports the ST2130 movement runs at +3 seconds per day. The watch features a bead-blasted 316L stainless steel case, a 5mm sapphire crystal, and a helium escape valve. Some owners find the 45mm case large but fitting, while others note a 20mm thickness. A reviewer flags excessive text on the dial and case, uneven luminous material application, and a rotating bezel with a slight rattle. One owner notes bezel fading over 5 years of commercial diving. The community is split on the bezel, with some calling the 60-click unidirectional bezel a minor quirk and another mentioning a 12-hour bezel.

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