Diameter without crown: 38mm
Thickness: 8.9mm
Movement: T18 high frequency ultra thin
design
Case material: premium stainless steel
Crystal: sapphire
Case back: sapphire
Band material: genuine lizard leather
Waterproof: 3ATM
Function: automatic self-winding ultra thin design, date calendar at
3 o’clock
Styled similar to Beihai limited edition, except the movement, date
calendar and second hand. T18 vs. SB18, with or without date, central second
hand vs. independent second hand.