Side by side

CWC G10 Fatboy-80 Quartz Re-Issue WatchvsSeiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition

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

At a glance

14 of 29 specs differ
Diameter
G10 Fatboy-80 Quartz Re-Issue Watch38mm
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition42mm
Power Reserve
G10 Fatboy-80 Quartz Re-Issue Watch40h
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition40h
Water Resistance
G10 Fatboy-80 Quartz Re-Issue Watch50m
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition100m
MSRP
G10 Fatboy-80 Quartz Re-Issue Watch$333
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition$2,400

Full specifications

Case

6 specs
Category
Pilot
Chronograph
Diameter
38mm
42mm
Thickness
13mm
12.9mm
Lug-to-Lug
43mm
49.6mm
Lug Width
18.5mm
20mm
Water Resistance
50m
100m

Crystal & Dial

5 specs
Crystal
Acrylic
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
CWC G10 Fatboy-80 Quartz Re-Issue Watch
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
ETA F06.461
5X83
Jewels
25
14

Pricing

1 specs
MSRP
$333
$2,400

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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.

CWC G10 Fatboy-80 Quartz Re-Issue Watch

Owners widely praise the CWC G10 Fatboy-80 Quartz Re-Issue Watch for its 36mm size and comfortable, "chunky" wearability, with one owner calling it their "perfect watch." The bead-blasted stainless steel case, fixed spring bars, and acrylic crystal that scratches but buffs out are noted features. Some enthusiasts point out the dial's "T" marking alongside Super-LumiNova as a detail difference from originals, and one owner found the reissue's crystal magnified the dial more. The 50m water resistance is considered sufficient for its field watch purpose. On balance, owners rate the CWC G10 Fatboy-80 Quartz Re-Issue Watch highly for its comfortable wearability and distinct dial at its price point.

Seiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition

The Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition is praised for its retro design, balanced 42mm case, good finishing, and sapphire crystal. It is powered by the calibre 8R48, featuring a column wheel and vertical clutch, and offers 100m water resistance. Some find its 45-hour power reserve short compared to modern alternatives, and the date window placement is a point of discussion. The solar-powered variant is noted for its compact proportions and character, though some desire thinner cases and improved bracelet micro-adjustment. Overall, owners and reviewers appreciate the SPEEDTIMER's vintage-inspired aesthetics and solid build, with critiques focusing on power reserve and minor functional details.

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