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Legacy Collection

Mk IV Vanguard

Mk IV Vanguard

Released in 2017, the Mk IV Vanguard had markedly improved build quality and darkness visibility. The first Mk IV models, which had 42mm cases, featured the SuperSandwich™ dial that's filled to the brim with Swiss Super-LumiNova, to achieve the best darkness visibility ever on a Gruppo Gamma timepiece.

Visually, the most prominent change from Mk III to Mk IV was the design of the numeric markers on the dial.

Case: 316L stainless steel/ CuSn8 bronze, diameter 42mm/ 44mm, lug width 22mm/ 24mm
Bezel: 316L stainless steel, fixed/ 120-click unidirectional, marker filled with Swiss Super-LumiNova
Crystal: Sapphire, double-domed, anti-reflective
Water resistance: 200m/ 660ft
Movement: Seiko NH35A/ ETA 2824-2
Dial: Markers filled with Super-LumiNova
Hands: Hour/ minute and red seconds, filled with Super-LumiNova

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