Seagull Ocean Series Ultra 1000m Waterproof Helium Valve Design Integrated Rotating Bezel Diving Watch 45mmvsSeiko Prospex 1968 Mechanical Divers Modern Design

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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.

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

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

Seiko Prospex 1968 Mechanical Divers Modern Design at true scale

Prospex 1968 Mechanical Divers Modern Design

Diameter

45mm

44mm

Lug-to-Lug

50mm

n/a

Thickness

15.8mm

13.1mm

lowest

Water Resistance

1000m

highest

200m

Power Reserve

n/a

50h

MSRP

$1,049

$570

lowest

Movement

Seagull ST2130

Seiko 6R15

Case

5 specs
Diameter
45mm
44mm
Thickness
15.8mm
13.1mm
Lug-to-Lug
50mm
n/a
Lug Width
22mm
n/a
Water Resistance
1000m
200m

Movement

3 specs
Caliber
Seagull ST2130
Seiko 6R15
Beat Rate
0 vph
21,600 vph
Power Reserve
0h
50h

Pricing

1 specs
MSRP
$1,049
$570
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Reviews

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

Seagull Ocean Series Ultra 1000m Waterproof Helium Valve Design Integrated Rotating Bezel Diving Watch 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.

Seiko Prospex 1968 Mechanical Divers Modern Design

The Seiko Prospex 1968 Mechanical Divers Modern Design is praised for its impressive finishing and blend of heritage and modern design, with a hard-coated steel case for scratch resistance. Its 44mm case wears smaller than dimensions suggest. Some owners find the dial color and overall aesthetic less appealing than other options. The 6R15 movement provides 50 hours of power reserve. Overall, owners and reviewers rate the Seiko Prospex 1968 Mechanical Divers Modern Design highly for its finishing and wearability at the price.

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