Grade not disclosed by the source; the edge points at the grade-unknown execution.
Watch model
Christopher Ward C63 Sealander Extreme GMT

Christopher Wardshown: C63-41AGM4-S0KK0-B0
Christopher Ward’s own photograph of their own product, published on their product page. We serve a 240 px copy from our host rather than loading theirs. We did not take this picture and claim no rights in it.
lexical proof — the reference is printed inside the image’s own filename on that page.
Christopher Ward’s product page for C63-41AGM4-S0KK0-B0 ↗ · read 2026-08-26
Movement
Sources
- 1christopherward.comhttps://www.christopherward.com/int/C63-Sealander-Extreme-GMT/C63-41AGM4-S0KK0-B0.htmlmanufacturertier 1retrieved 2026-08-262 facts on this page
- 2christopherward.comhttps://www.christopherward.com/c63-sealander-extreme-gmt/C63-41AGM4-S0KK0-B0.htmlmanufacturertier 1retrieved 2026-08-263 facts on this page