Side by side

Oak & Oscar The Jackson Big EyevsSeiko 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
The Jackson Big Eye40mm
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition39.5mm
Power Reserve
The Jackson Big Eye60 hoursh
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition72h
Water Resistance
The Jackson Big Eye50m
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition200m
MSRP
The Jackson Big Eye$3,150
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition$1,150

Full specifications

Case

5 specs
Diameter
40mm
39.5mm
Thickness
14mm
12mm
Lug-to-Lug
46.4mm
44.5mm
Finish
Brushed
Brushed and polished
Water Resistance
50m
200m

Crystal & Dial

5 specs
Crystal Shape
Double-domed
Curved
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
White
Black
Indices
Baton
Applied
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
Eterna Caliber 39 (Cal. 3907M)
6R55
Type
Manual
Automatic
Beat Rate
4 vph
28,800 vph
Power Reserve
60 hoursh
72h
Jewels
25
24

Pricing

1 specs
MSRP
$3,150
$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.

Oak & Oscar The Jackson Big Eye

Oak & Oscar The Jackson Big Eye is praised for its balanced design and fine details, featuring a prominent "Big Eye" 30-minute sub-register for improved readability, reminiscent of vintage chronographs. It is powered by the Eterna EMC 3907M manual wind movement with a 60-hour power reserve, column wheel, and flyback function, housed in a 40mm stainless steel case. This limited edition of 50 pieces was priced at $3,150 and included two Horween leather straps and a wallet. On balance, reviewers highlight the Jackson Big Eye's enthusiast-spec chronograph function and readable subdial as key strengths.

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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