Aigi Watches Royal Danish Air ForcevsSeiko Prospex Sea

The measurements

Sized up.

Catalogue photos are all shot at the same flattering size. These aren't: every case below shares one millimetre scale.

Aigi Watches Royal Danish Air Force at true scale

Royal Danish Air Force

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

40mm

43.5mm

Lug-to-Lug

n/a

51mm

Thickness

11.3mm

lowest

13.3mm

Water Resistance

200m

200m

Power Reserve

n/a

70h

MSRP

$858

lowest

$1,500

Movement

Sellita SW200-1

Seiko 6R35

Case

5 specs
Diameter
40mm
43.5mm
Thickness
11.25mm
13.3mm
Lug-to-Lug
n/a
51mm
Lug Width
n/a
22mm
Material
Stainless Steel
Titanium

Crystal & Dial

3 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW200-1
Seiko 6R35
Power Reserve
0h
70h
Jewels
0
24

Pricing

1 specs
MSRP
$858
$1,500

What people say

Owners + reviewers, side by side.

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 Prospex Sea

Seiko Prospex Sea owners and reviewers praise its Marinemaster-style aesthetic, excellent case finishing, and impressive LumiBrite lume. The watch is powered by the 6R15 movement with a 50-hour power reserve and comes with both a steel bracelet and a silicone strap. Some owners find the Seiko Prospex Sea to be a great value and a suitable first "proper" watch, while others report it is uncomfortably big, thick, and heavy on smaller wrists. Reviewers note the GMT function is secondary with a less prominent scale, and the bezel's quieter clicks may not appeal to all. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and finishing at its price point.

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