IXDAO 5305 Retro Professional Dive WatchvsSeiko 5KX

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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.

IXDAO 5305 Retro Professional Dive Watch at true scale

5305 Retro Professional Dive Watch

Seiko 5KX at true scale

5KX

Diameter

39mm

42.5mm

Lug-to-Lug

48mm

46mm

lowest

Thickness

12.2mm

lowest

13.4mm

Water Resistance

200m

highest

100m

Power Reserve

n/a

41h

MSRP

$218

lowest

$350

Movement

PT5000

Seiko 4R36

Case

5 specs
Diameter
39mm
42.5mm
Thickness
12.2mm
13.4mm
Lug-to-Lug
48mm
46mm
Lug Width
n/a
22mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
n/a
Blue
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
PT5000
Seiko 4R36
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$218
$350
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Reviews

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

IXDAO 5305 Retro Professional Dive Watch

Owners widely report the IXDAO 5305 Retro Professional Dive Watch offers excellent lume and wears exceptionally well, with one owner noting accuracy at -1 second per day. Some users flag potential inconsistencies in finishing compared to established brands, and one owner mentions sharp edges on the bottom mid-case and lugs. The stock bracelet is considered very heavy, though an aftermarket bracelet can improve wearability. The IXDAO 5305 Retro Professional Dive Watch is seen as decent for its price, with some noting good specifications. Overall, owners rate the IXDAO 5305 Retro Professional Dive Watch highly for its wearability and lume at the price.

Seiko 5KX

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.

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