Newmark 71 SportsvsSeiko 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.

Newmark 71 Sports at true scale

71 Sports

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

38mm

41.3mm

Lug-to-Lug

47mm

lowest

48.2mm

Thickness

13mm

12.5mm

lowest

Water Resistance

200m

300m

highest

Power Reserve

42h

72h

highest

MSRP

$475

lowest

$1,100

Movement

Miyota 9039

Seiko 6R55

Case

5 specs
Diameter
38mm
41.3mm
Thickness
13mm
12.5mm
Lug-to-Lug
47mm
48.2mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Black
n/a
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Miyota 9039
Seiko 6R55
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
72h
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$475
$1,100
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Reviews

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

Newmark 71 Sports

The bezel action is a standout strength, described as buttery smooth with 60 clicks. The bracelet is also highlighted as a brilliant feature.

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.