Side by side

Atelier Wen Porcelain Odyssey — JivsSeiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

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

At a glance

16 of 29 specs differ
Diameter
Porcelain Odyssey — Ji39mm
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition39.5mm
Power Reserve
Porcelain Odyssey — Ji40h
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition72h
Water Resistance
Porcelain Odyssey — Ji50m
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition200m
MSRP
Porcelain Odyssey — Ji$705
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition$1,150

Full specifications

Case

7 specs
Category
Dress
Chronograph
Diameter
39mm
39.5mm
Thickness
11.7mm
12mm
Lug-to-Lug
44.5mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

5 specs
Crystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Regular
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
6R55
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$705
$1,150

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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.

Atelier Wen Porcelain Odyssey — Ji

Atelier Wen Porcelain Odyssey — Ji owners praise the dial's beauty and legibility, with reviewers highlighting the refined Chinese cultural elements and blued-steel hands. One owner notes the automatic winding functions well, though manual winding feels rough and stiff. The case design is observed to bear a strong resemblance to the TAG Heuer Carrera. Overall, owners and reviewers find the Atelier Wen Porcelain Odyssey — Ji offers excellent value and attention to detail, particularly for its striking porcelain dial.

From video reviewers

The porcelain dial and overall finishing are praised. The value proposition is debated, with one reviewer citing $5,850 and another suggesting under $1000.

Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

The Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition is praised for its vintage racing concept, applied markers, and dial that shifts from cream to silver with orange accents. Owners appreciate the Datsun logo, dual crowns, and internal countdown bezel, with some noting Seiko's finishing is top-notch. However, some find the dial text cluttered, particularly "automatic 3 days," and consider the price point too high. The watch features a 42mm black-coated stainless steel case, an external tachymeter bezel, and Seiko's 8R48 automatic chronograph movement with a 45-hour power reserve. On balance, owners rate the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition well for its unique vintage concept and quality finishing, though price remains a point of contention for some.

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