Aigi Watches Royal Danish Air ForcevsSeiko 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.

Aigi Watches Royal Danish Air Force at true scale

Royal Danish Air Force

Seiko 5KX at true scale

5KX

Diameter

40mm

42.5mm

Lug-to-Lug

n/a

46mm

Thickness

11.3mm

lowest

13.4mm

Water Resistance

200m

highest

100m

Power Reserve

n/a

41h

MSRP

$858

$350

lowest

Movement

Sellita SW200-1

Seiko 4R36

Case

5 specs
Diameter
40mm
42.5mm
Thickness
11.25mm
13.4mm
Lug-to-Lug
n/a
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
Sellita SW200-1
Seiko 4R36
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$858
$350
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Reviews

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

Aigi Watches Royal Danish Air Force

The Aigi Royal Danish Air Force is appreciated for its unique antenna dome dial, which one owner finds thematically linked to the seconds hand and evocative of looking out an airplane window. Owners note its on-paper specifications and value for the price. However, some find its 43mm case size and 49mm lug-to-lug measurement chunky, and there is uncertainty about Aigi's quality due to a lack of online reviews and videos. On balance, owners rate the Aigi Royal Danish Air Force as a decent option for its price, primarily due to its unique dial design.

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.