TECHNICAL DATA
Brand: Seiko
Family: Prospex
Reference: SPB377J1
Name: Seiko Men’s SPB377J1 Prospex Alpinist GMT Auto
CASE
Material: Steel
Glass: Sapphire glass
Diameter: 39.5 X 0
Case Thickness: 13.6
Water Resistance: 20 ATM
DIAL
Color: Blue
Dial Markers: Arabic numerals
Bezel: Steel
MOVEMENT
Type: Automatic
Brand: 6R54
Caliber: –
Reserve: 72
BAND
Material: Leather
Color: Blue
Clasp: Fold Clasp
FUNCTIONS
Date,