March LA.B Bonzer Automatique MarsvsSeiko 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.

March LA.B Bonzer Automatique Mars at true scale

Bonzer Automatique Mars

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

41mm

41.3mm

Lug-to-Lug

n/a

48.2mm

Thickness

n/a

12.5mm

Water Resistance

100m

300m

highest

Power Reserve

n/a

72h

MSRP

$1,605

$1,100

lowest

Movement

La Joux-Perret G100

Seiko 6R55

Case

6 specs
Diameter
41mm
41.3mm
Thickness
n/a
12.5mm
Lug-to-Lug
n/a
48.2mm
Lug Width
n/a
20mm
Material
n/a
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

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

Movement

3 specs
Caliber
La Joux-Perret G100
Seiko 6R55
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$1,605
$1,100
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Reviews

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

March LA.B Bonzer Automatique Mars

March LA.B Bonzer Automatique Mars owners widely praise its handsome and unique designer aesthetic, noting its comfortable wearability. Some reviewers find the decorative dial sacrifices legibility, and one owner reports the silicone strap attracts dust. The watch is powered by a La Joux-Perret G100 automatic movement with a 68-hour power reserve and has 100m water resistance. On balance, owners and reviewers rate the March LA.B Bonzer Automatique Mars highly for its distinctive design and comfortable wear.

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.