Boldr Odyssey OriginalvsSeiko 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.

Boldr Odyssey Original at true scale

Odyssey Original

Seiko 5KX at true scale

5KX

Diameter

45.5mm

42.5mm

Lug-to-Lug

52mm

46mm

lowest

Thickness

14.5mm

13.4mm

lowest

Water Resistance

500m

highest

100m

Power Reserve

42h

highest

41h

MSRP

$799

$350

lowest

Movement

Sellita SW200-1

Seiko 4R36

Case

4 specs
Diameter
45.5mm
42.5mm
Thickness
14.5mm
13.4mm
Lug-to-Lug
52mm
46mm
Water Resistance
500m
100m

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
AR Coating
Yes
n/a
Dial Color
Cali Black
Blue
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW200-1
Seiko 4R36
Power Reserve
42h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$799
$350
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Reviews

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

Boldr Odyssey Original

The Boldr Odyssey Original is praised by owners for the personalized experience offered at the Boldr studio. One owner notes the blue dial and bronze case develop an amazing patina, and the watch comes in its original dive case for $350. The original strap is reported to be in good shape. On balance, owners appreciate the unique patina development and value proposition of the Boldr Odyssey Original.

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.