Resco StainlessvsSeiko Prospex Sea The Black Series

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Resco Stainless

MSRP $1,955

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Buy from Resco Used on eBay

Seiko Prospex Sea The Black Series

MSRP $765

See the full watch

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.

Stainless

Prospex Sea The Black Series

Diameter

Across the case, crown excluded.

44mm

45mm

Lug-to-Lug

The number that decides fit.

51.4mm

47.7mm

lowest

Thickness

How it sits under a cuff.

13.5mm

13.2mm

lowest

Water Resistance

Rated in meters.

200m

Power Reserve

How long it runs off the wrist.

n/a

41h

MSRP

Sticker price, new.

$1,955

$765

lowest

Movement

What drives the hands.

Sellita SW200-1

Seiko 4R36

Spec

Stainless

Prospex Sea The Black Series

Case

4 specs

Diameter

44mm

45mm

Thickness

13.5mm

13.2mm

Lug-to-Lug

51.38mm

47.7mm

Lug Width

n/a

22mm

Crystal & Dial

3 specs

AR Coating

n/a

Anti-reflective coating on inner surface

Dial Color

n/a

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Sellita SW200-1

Seiko 4R36

Power Reserve

41h

Jewels

Pricing

1 specs

MSRP

$1,955

$765

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Reviews

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

Resco Stainless

Owners widely praise the Resco Stainless for its durability, build quality, and excellent customer service, with many valuing support for a US small business. One owner notes the watch features a tight bezel and bright lume, and is comfortable on a NATO strap. However, one owner experienced rust on stainless steel parts despite regular rinsing after diving. The matte case back can show strap wear quickly. Overall, owners rate the Resco Stainless highly for its robust build and customer support, especially for those valuing American-made products.

Reddit·3

WatchUSeek·2

Seiko Prospex Sea The Black Series

The Seiko Prospex Sea The Black Series is praised for its distinct green sunburst dial and bezel, classic diver's dial layout, and excellent legibility with Seiko's strong lume. Owners note that the price is often discounted from the RRP, making it an excellent first proper watch. A reviewer notes a lost opportunity for a thinner appearance due to the bezel's design. On balance, owners and reviewers rate the Seiko Prospex Sea The Black Series highly for its legibility and distinctive dial at the price.