Seiko Prospex SeavsUnimatic Modello Uno U1-EN

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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.

Seiko Prospex Sea at true scale

Prospex Sea

Unimatic Modello Uno U1-EN at true scale

Modello Uno U1-EN

Diameter

41mm

40mm

Lug-to-Lug

46.9mm

n/a

Thickness

12.3mm

n/a

Water Resistance

200m

300m

highest

Power Reserve

70h

highest

41h

MSRP

$900

$880

lowest

Movement

Seiko 6R35

Seiko NH35

Case

5 specs
Diameter
41mm
40mm
Thickness
12.3mm
n/a
Lug-to-Lug
46.9mm
n/a
Lug Width
20mm
22mm
Water Resistance
200m
300m

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko 6R35
Seiko NH35
Power Reserve
70h
41h
Jewels
24
0

Pricing

1 specs
MSRP
$900
$880
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Reviews

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

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its value and robust build, with many highlighting its excellent lume and attractive design. Some owners find the 41mm case size perfect, while others with smaller wrists consider it too large, thick, and heavy. The stock rubber strap is noted as uncomfortable for land wear by one owner. Overall, owners rate the Seiko Prospex Sea highly for its design and value at the price point.

Unimatic Modello Uno U1-EN

Owners widely praise the Unimatic Modello Uno U1-EN's impressive case finishing and minimalist, utilitarian design, viewing its style as the primary draw and good value for the quality. Reviewers highlight clever case details, a mix of brushed and polished finishes, and a matte black dial that offers hypnotic light play. The watch uses a reliable Seiko NH35 automatic movement and has a 40mm case size that reviewers note can wear larger than specs suggest. Some owners found the included strap options unsatisfactory, and one reviewer noted the Super-LumiNova lume was slightly uneven between the dial, hands, and bezel pearl, while another found the lume on indices and hands weak. On balance, owners and reviewers rate the Unimatic Modello Uno U1-EN highly for its distinctive minimalist design and impressive case finishing at its price point.

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