Breitling Avenger AutomaticvsSeiko Prospex Sea

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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.

Breitling Avenger Automatic at true scale

Avenger Automatic

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

42mm

41.3mm

Lug-to-Lug

n/a

48.2mm

Thickness

12.2mm

lowest

12.5mm

Water Resistance

300m

300m

Power Reserve

38h

72h

highest

MSRP

$4,900

$1,100

lowest

Movement

Breitling Caliber 17

Seiko 6R55

Case

5 specs
Diameter
42mm
41.3mm
Thickness
12.15mm
12.5mm
Lug-to-Lug
n/a
48.2mm
Lug Width
n/a
20mm
Finish
Stainless steel
n/a

Crystal & Dial

2 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Breitling Caliber 17
Seiko 6R55
Power Reserve
38h
72h
Jewels
0
24
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$4,900
$1,100
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Reviews

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

Breitling Avenger Automatic

Owners widely report the Breitling Avenger Automatic's robust build and clean dial offer excellent legibility, with some finding it surprisingly wearable on smaller wrists and comfortable for daily wear. Reviewers note its streamlined, contemporary update to the collection, featuring a brushed middle case and stepped lug bevels. Owners report accuracy ranging from +1/+2 seconds per day to about -6 seconds per day, and some express reservations about the 42-hour power reserve. On balance, owners and reviewers rate the Breitling Avenger Automatic highly for its bold, bombproof design and versatile aesthetic.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its robust build quality and fair price, with many noting its comfortable silicone strap. Some owners find the watch's size, thickness, and weight to be uncomfortable for smaller wrists, while others consider the size perfect. The consensus is that the Seiko Prospex Sea offers excellent value and build quality for its price.

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