Geneva, Switzerland

ZRC

Founded in 1904 by Edmond Zuccolo and Joseph Rochet; its Grands Fonds dive watch equipped the French Navy clearance divers until 1995.

zrc1904.com

Coverage so far

3 of 3 references have at least one lug-to-lug figure; the brand itself publishes one for 3.

ZRC references

Watch Ø Thickness Lug-to-lug Calibre
Grands Fonds 300 Heritage S2 GF3811121113 39 mm 13.75 mm 48.8 mm SW200-1
Securicode Diver 300 SC39163 39 mm 13.8 mm 48 mm SW200-1
Securicode Diver 300 (steel, 13.4 mm thick) SC3916221118 39 mm 13.4 mm 48 mm SW200-1

Calibres used by ZRC

Calibre Power reserve Frequency Used in
SW200-1 38 h 28,800 vph (4 Hz) 45

About ZRC

The 1964 Grands Fonds was designed for the clearance divers of the French Navy, with a bracelet that protects the crown. ZRC, founded in Geneva in 1904 by Edmond Zuccolo and Joseph Rochet, has reissued it.