Side by side

Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited EditionvsYema Rallygraf Meca-Quartz

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

Rallygraf Meca-Quartz
YemaRallygraf Meca-Quartz
MSRP $420

At a glance

14 of 29 specs differ
Diameter
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition39.5mm
Rallygraf Meca-Quartz39mm
Power Reserve
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition72h
Rallygraf Meca-Quartz40h
Water Resistance
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition200m
Rallygraf Meca-Quartz50m
MSRP
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition$1,150
Rallygraf Meca-Quartz$420

Full specifications

Case

5 specs
Diameter
39.5mm
39mm
Thickness
12mm
11mm
Lug-to-Lug
44.5mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

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

Movement

4 specs
Caliber
6R55
Type
Automatic
Quartz
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,150
$420

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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.

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.

Yema Rallygraf Meca-Quartz

Owners widely praise the Yema Rallygraf Meca-Quartz for its heritage reissue design, small and thin case, and good looks for the price, with some noting exceptional build quality, tactile pushers, and a substantial feel. However, the quartz movement's ticking smoothness and the 24-hour subdial, which functions as an AM/PM indicator rather than a totalizer, are points of criticism for some, leading to perceptions of it being overpriced. Owners report mixed experiences with quality control, with some noting alignment issues, crooked indices, and dial rotation when pushers are depressed, while others report no such issues. On balance, owners appreciate the Yema Rallygraf Meca-Quartz for its distinctive vintage styling and wearability, despite some concerns regarding quality control and the functionality of its subdial.

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