TECHNICAL DATA
Brand: Seiko
Family: Presage
Reference: SPB311J1
Name: Seiko Men’s SPB311J1 Presage Blue Dial Watch
CASE
Material: Steel
Glass: Sapphire Glass
Diameter: 40.2 X 40.2
Case Thickness: 11.8
Water Resistance: 10 ATM
DIAL
Color: Blue
Dial Markers: No numerals
Bezel: Stainless Steel
MOVEMENT
Type: Automatic
Caliber: 6R38
Jewels: 24
Reserve: 70
BAND
Material: Leather
Color: Black
Clasp: Fold clasp
OTHER FUNCTIONS
Display back,Luminescent Hands,Luminous indexes ,Screw-Down Crown