Side by side

Gruppo Gamma Vanguard Steel DatevsSeiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

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

Vanguard Steel Date
Gruppo GammaVanguard Steel Date
MSRP $790
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition
SeikoProspex SPEEDTIMER Seiko 145th Anniversary Limited Edition
MSRP $2,500

At a glance

12 of 29 specs differ
Diameter
Vanguard Steel Date42mm
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition42mm
Power Reserve
Vanguard Steel Date42h
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition45h
Water Resistance
Vanguard Steel Date100m
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition100m
MSRP
Vanguard Steel Date$790
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition$2,500

Full specifications

Case

3 specs
Category
—
Chronograph
Thickness
12.6mm
14.6mm
Lug Width
22mm
20mm

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Forged Carbon
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Miyota 9015
8R48
Power Reserve
42h
45h
Jewels
25
34
Complications
Date
None

Pricing

1 specs
MSRP
$790
$2,500

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