Seiko Prospex Sea 1965 Heritage Diver's Watch PADI Special EditionvsUnimatic Modello Uno

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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 1965 Heritage Diver's Watch PADI Special Edition at true scale

Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition

Unimatic Modello Uno at true scale

Modello Uno

Diameter

40mm

40mm

Lug-to-Lug

46.4mm

n/a

Thickness

13mm

n/a

Water Resistance

300m

300m

Power Reserve

72h

n/a

MSRP

$1,550

$970

lowest

Movement

Seiko 6R55

Seiko NH35

Case

3 specs
Thickness
13mm
n/a
Lug-to-Lug
46.4mm
n/a
Lug Width
20mm
n/a

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 6R55
Seiko NH35
Power Reserve
72h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$1,550
$970
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Reviews

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

Seiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition

Owners and reviewers praise the Seiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition for its attractive emerald green dial with a sunburst effect and gold accents, which looks gorgeous in the right light. The watch is noted for its retro-inspired design, domed sapphire crystal, and comfortable wearability, fitting well for some. The bracelet includes a new, slimmer clasp with toolless micro-adjustment, and the watch comes with both a steel bracelet and a fabric strap. However, some find the watch wears top-heavy due to its density and case design, and the bracelet clasp is criticized for its stamped parts and limited micro-adjustment. The retail price of €1,700 is considered high by some, with sales being recommended. On balance, owners and reviewers rate the Seiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition positively for its attractive dial and comfortable retro design, despite some reservations about the clasp and price.

Unimatic Modello Uno

Owners widely praise the Unimatic Modello Uno for its well-finished case and solid build quality at its price point, with reviewers highlighting its minimalistic, utilitarian design that feels like a technical instrument. The watch features clever case design with mirrored lines and a mix of finishes, and its matte black dial offers hypnotic light play with the sapphire crystal's anti-reflective coating. One owner notes the Super-LumiNova C3 lume is slightly uneven between the dial, hands, and bezel pearl. The Unimatic Modello Uno uses a reliable Seiko NH35 automatic movement and is 40mm. Some owners found the included bracelet and rubber strap uncomfortable, though a Unimatic nato strap was comfortable. The U1-B's tan lume and "Made in Italy" origin statement are questioned by some. Overall, owners and reviewers rate the Unimatic Modello Uno highly for its distinctive minimalist design and robust build quality for the price.

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