CWC RN81 Clearance Diver Automatic WatchvsSeiko 5KX
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

RN81 Clearance Diver Automatic Watch

5KX
Diameter
41mm
42.5mm
Lug-to-Lug
47mm
46mm
lowest
Thickness
12.7mm
lowest
13.4mm
Water Resistance
300m
highest
100m
Power Reserve
n/a
41h
MSRP
$1,875
$350
lowest
Movement
Sellita SW200-1
Seiko 4R36
Case
5 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the CWC RN81 Clearance Diver Automatic Watch for its build quality and comfortable wear, with some appreciating the fixed springbars and historical significance as a tool watch. However, reviewers and owners note the "faux patina" lume color is considered too gold and glossy, and some find the polished case and dial text/logo less appealing. The CWC RN81 Clearance Diver Automatic Watch is also seen as overpriced by some, with concerns raised about the acrylic bezel's durability and import taxes for US buyers. On balance, owners and reviewers value the CWC RN81 Clearance Diver Automatic Watch for its faithful reissue design and historical connection, though price and specific aesthetic choices are points of contention.
Owners widely praise the Seiko 5KX for its strong lume and value, with many reporting accuracy within +/-5 to 10 seconds per day, though some experience +/-1 second. The 42.5mm case is noted to wear smaller, and the watch offers a comfortable feel for many. Some owners are split on the bracelet quality, with opinions ranging from "cheaper side" with hollow links to "flimsy-feeling" jubilee. A few quality control issues have been reported, including a failed bezel clickspring and misaligned components. The Seiko 5KX is seen by some as a worthy successor to the original SKX, offering an upgraded movement with hacking and hand-winding capabilities, though others lament the loss of ISO certification and a screw-down crown. Overall, owners rate the Seiko 5KX highly for its excellent lume and value proposition, making it a popular choice for everyday wear.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.






