Isaac Newton Principia Mathematica Steel-Umbra

Case size

43 mm

Case material

stainless steel 316L

Dial

umbra

Movement

KS029.026 Automatic 4 Hz = 28.800 A/h CITIZEN Base 9132-20A — Automatic

Power reserve

38 h

Water resistance

50 m

Bracelet / strap

leather

MSRP

$621 USD