Grand Seiko

Heritage Collection

Exterior +

High-intensity titanium 3
Stainless steel 13
Ever brilliant steel, Caseback: Ever brilliant steel and sapphire crystal 6

Band Material +

Crocodile leather 3
Ever brilliant steel 6
High-intensity titanium 3
Stainless steel 10

Glass Coating +

Anti-reflective coating on inner surface 22

Glass Material +

Sapphire crystal 3
Box shaped sapphire crystal 5
Dual-curved sapphire crystal 11

Movement +

Automatic with manual winding 8
Manual winding 2
Quartz 4
Spring Drive 7

Water Resistance +

10 bar 22

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