Certina DS Super PH500MvsSeiko Prospex Sea

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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.

Certina DS Super PH500M at true scale

DS Super PH500M

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

43mm

43.8mm

Lug-to-Lug

48.2mm

lowest

48.7mm

Thickness

14.9mm

12.8mm

lowest

Water Resistance

500m

highest

200m

Power Reserve

80h

highest

41h

MSRP

$1,107

$625

lowest

Movement

POWERMATIC 80.611

Seiko 4R35

Case

5 specs
Diameter
43mm
43.8mm
Thickness
14.95mm
12.8mm
Lug-to-Lug
48.2mm
48.7mm
Lug Width
20mm
22mm
Water Resistance
500m
200m

Crystal & Dial

2 specs
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 4R35
Power Reserve
80h
41h
Jewels
0
23

Pricing

1 specs
MSRP
$1,107
$625
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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.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value as a sport watch, with owners highlighting its comfortable wearability and generous lume. Reviewers note its solid build quality and attractive design, with some specifically mentioning the matte black dial as a strong point. One owner reports accuracy around +1 to +2 seconds per day. The 43.8mm case size is considered substantial by some, and one owner found the watch heavy and thick, regretting not choosing a different variant. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its blend of classic design and modern utility at an accessible price point.

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