Certina DS Super PH500MvsSeiko Prospex Sea

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Certina DS Super PH500M

Ref. C037.407.18.050.00·MSRP $1,107

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Buy from Certina Used on eBay

Seiko Prospex Sea

MSRP $900

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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.

DS Super PH500M

Prospex Sea

Diameter

Across the case, crown excluded.

43mm

41mm

Lug-to-Lug

The number that decides fit.

48.2mm

46.9mm

lowest

Thickness

How it sits under a cuff.

14.9mm

12.3mm

lowest

Water Resistance

Rated in meters.

500m

highest

200m

Power Reserve

How long it runs off the wrist.

80h

highest

70h

MSRP

Sticker price, new.

$1,107

$900

lowest

Movement

What drives the hands.

POWERMATIC 80.611

Seiko 6R35

Spec

DS Super PH500M

Prospex Sea

Case

4 specs

Diameter

43mm

41mm

Thickness

14.95mm

12.3mm

Lug-to-Lug

48.2mm

46.9mm

Water Resistance

500m

200m

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

POWERMATIC 80.611

Seiko 6R35

Power Reserve

80h

70h

Jewels

Pricing

1 specs

MSRP

$1,107

$900

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Reviews

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

Certina DS Super PH500M

Owners widely praise the Certina DS Super PH500M for its retro dive watch aesthetic, good legibility, and value, with many highlighting its striking orange dial and secure bezel lock. The Powermatic 80.611 movement is reported as consistent and accurate, with one owner noting +2/+3 seconds per day performance. The watch is considered tough and offers good specifications for its price. However, some find the 43mm case and 15mm thickness substantial, potentially wearing large on smaller wrists, and one reviewer notes the crystal retaining ring can be a scratch magnet. Overall, owners and reviewers rate the Certina DS Super PH500M highly for its vintage-inspired design and excellent value proposition.

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.