Side by side

Mr Jones Watches A perfectly useless afternoon: mechanicalvsSeiko Prospex Sea

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

A perfectly useless afternoon: mechanical
Mr Jones WatchesA perfectly useless afternoon: mechanical
MSRP $750
Prospex Sea
SeikoProspex Sea
MSRP $1,500

At a glance

14 of 29 specs differ
Diameter
A perfectly useless afternoon: mechanical40mm
Prospex Sea43.5mm
Power Reserve
A perfectly useless afternoon: mechanical40h
Prospex Sea70h
Water Resistance
A perfectly useless afternoon: mechanical
Prospex Sea200m
MSRP
A perfectly useless afternoon: mechanical$750
Prospex Sea$1,500

Full specifications

Case

7 specs
Category
Casual
Diver
Diameter
40mm
43.5mm
Thickness
13.3mm
Lug-to-Lug
51mm
Lug Width
22mm
Material
Stainless Steel
Titanium
Water Resistance
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
40mm
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
6R35
Power Reserve
40h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$750
$1,500

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What people say

Owners + reviewers, side by side

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

Mr Jones Watches A perfectly useless afternoon: mechanical

Mr Jones Watches A perfectly useless afternoon: mechanical is widely praised for its creative and original design, making it a fun conversation starter and a well-made watch for its price point. Owners appreciate the vibrant colors and quality packaging, with one reviewer noting the 40mm case dimensions and elegant lugs. The Swiss STP1-11 movement is reported to have acceptable accuracy. Some owners, however, find the Milanese bracelet too shiny, while the nylon strap may be small in diameter for some wearers. On balance, owners and reviewers rate Mr Jones Watches A perfectly useless afternoon: mechanical highly for its unique design and good value.

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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