Erebus Watches Ascent 40 GMTvsSeiko Prospex Sea

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Erebus Watches Ascent 40 GMT

MSRP $429

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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.

Ascent 40 GMT

Prospex Sea

Diameter

Across the case, crown excluded.

40mm

41mm

Lug-to-Lug

The number that decides fit.

46mm

lowest

46.9mm

Thickness

How it sits under a cuff.

12.4mm

12.3mm

lowest

Water Resistance

Rated in meters.

100m

200m

highest

Power Reserve

How long it runs off the wrist.

n/a

70h

MSRP

Sticker price, new.

$429

lowest

$900

Movement

What drives the hands.

Miyota 9075

Seiko 6R35

Spec

Ascent 40 GMT

Prospex Sea

Case

5 specs

Crystal & Dial

4 specs

Crystal Shape

n/a

Curved

AR Coating

n/a

Anti-reflective coating on inner surface

Dial Color

Malachite

n/a

Lume

BGW9 Super-LumiNova®

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Miyota 9075

Seiko 6R35

Power Reserve

n/a

70h

Jewels

Pricing

1 specs

MSRP

$429

$900

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Reviews

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

Erebus Watches Ascent 40 GMT

Owners widely praise the Erebus Watches Ascent 40 GMT for its stunning dial, excellent lume, and comfortable wearability, with the bracelet's micro-adjustable clasp and well-finished screws receiving specific commendation. The watch is considered a great value, with many noting its attractive price point for the features offered, including a true GMT complication. Some owners find the dial text too prominent and contrasty, and import duties are a significant concern for some buyers, pushing the cost higher. On balance, owners rate the Erebus Watches Ascent 40 GMT highly for its beautiful dial and strong 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.