Maen Hudson 38 MK4 SangHwal EditionvsSeiko Prospex Sea 1965 Heritage Diver's Watch

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Maen Hudson 38 MK4 SangHwal Edition

MSRP $503

See the full watch

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Seiko Prospex Sea 1965 Heritage Diver's Watch

MSRP $1,300

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Buy from Seiko Used on eBay

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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.

Hudson 38 MK4 SangHwal Edition

Prospex Sea 1965 Heritage Diver's Watch

Diameter

Across the case, crown excluded.

38mm

40mm

Lug-to-Lug

The number that decides fit.

n/a

46.4mm

Thickness

How it sits under a cuff.

10.5mm

lowest

13mm

Water Resistance

Rated in meters.

300m

Power Reserve

How long it runs off the wrist.

n/a

72h

MSRP

Sticker price, new.

$503

lowest

$1,300

Movement

What drives the hands.

Automatic

Seiko 6R55

Spec

Hudson 38 MK4 SangHwal Edition

Prospex Sea 1965 Heritage Diver's Watch

Case

5 specs

Diameter

38mm

40mm

Thickness

10.5mm

13mm

Lug-to-Lug

n/a

46.4mm

Lug Width

n/a

20mm

Material

316L Stainless Steel

Stainless Steel

Crystal & Dial

5 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

n/a

Curved

AR Coating

n/a

Anti-reflective coating on inner surface

Dial Color

SHW.01

n/a

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

n/a

Seiko 6R55

Power Reserve

72h

Jewels

Pricing

1 specs

MSRP

$503

$1,300

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Reviews

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

Maen Hudson 38 MK4 SangHwal Edition

Owners widely praise the Maen Hudson 38 MK4 SangHwal Edition as a great daily GADA watch. One owner notes that screwing the crown back in can occasionally be a little fiddly. Overall, owners rate the Maen Hudson 38 MK4 SangHwal Edition highly for its wearability and daily use appeal.

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Seiko Prospex Sea 1965 Heritage Diver's Watch

Owners widely praise the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined engineering, comfortable 40mm case, and improved 300m water resistance. The watch is noted for its better build quality and finishing compared to some alternatives, featuring a mix of polished and brushed surfaces, with specific callouts for the jewel-toned teal dial with a rippling-water pattern. Some owners consider the price fair, while others suggest it is too high. Accuracy figures vary, with some owners reporting their 6R55 movement performs well within +/- 10 seconds per day, while others note theirs runs slow or have concerns about QC for the price. The bracelet, while improved, lacks modern features like quick-release or extensive micro-adjustments. Overall, owners and reviewers rate the Seiko Prospex Sea 1965 Heritage Diver's Watch highly for its refined design and build quality at its price point.