Héron Watches MarinorvsSeiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition

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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.

Héron Watches Marinor at true scale

Marinor

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

Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition

Diameter

39mm

40mm

Lug-to-Lug

n/a

46.4mm

Thickness

10.6mm

lowest

13mm

Water Resistance

250m

300m

highest

Power Reserve

n/a

72h

MSRP

$640

lowest

$1,550

Movement

Miyota 9039

Seiko 6R55

Case

5 specs
Category
n/a
Diver
Diameter
39mm
40mm
Thickness
10.6mm
13mm
Lug-to-Lug
n/a
46.4mm
Water Resistance
250m
300m

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9039
Seiko 6R55
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$640
$1,550
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Reviews

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

Héron Watches Marinor

The Héron Watches Marinor is widely praised for its vintage-inspired design, featuring a dark blue gradient dial with applied indices and a distinctive 12 o'clock marker, along with a high-domed sapphire bezel that exhibits excellent alignment and action. Owners and reviewers highlight the comfortable 39mm case with well-executed downturned lugs and polished bevelled edges that catch the light. The watch is noted for its value, with a price around $620-$640, and its scratch-resistant hardened steel case. The Miyota 9039 automatic movement is a reliable component, and the watch includes a well-designed bracelet, often described as comfortable and tapered, with some noting a diver's extension clasp. Overall, owners and reviewers rate the Héron Marinor highly for its compelling design and build quality at its accessible price point.

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.

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