3700/1 Nautilus Jumbo (two-tone / sigma dial / extract and service papers)

Vintage NAUTILUS Jumbo | Ref. 3700 | Box & Certificat 1986

3700

Date 3700/11 3700 Gold Stahl Kork 81

3700/11

3700 Double signed BEYER Full set and full serviced in 5.2019

3700/1

3700/11ja

Jumbo 3700/1 Tropical

Jumbo Special Piece 3700/1

3700/1 18k Twotone Blue Dial 1973 Archives Watch 40mm

3700/001

Jumbo Steel and Gold Tropical Dial - from 1979