Junghans 688.12; Valjoux 7736; Tricompax; Junghans olympic; front
Junghans 688.12; Valjoux 7736; Tricompax; Junghans olympic; movement
Junghans 688.12; Valjoux 7736; Tricompax; Junghans olympic; back
Type: Men's wristwatch Chronograph
Manufacturer as per dial: Junghans
Trademark/imprint Dial: 6-pointed black star with white J; JUNGHANS olympic; at 6: - T SWISS MADE T -; Case back: ALL STAINLESS STEEL; SWISS; WATERRESISTANT; SHOCK RESISTANT; 20 ATM
Number of jewels: 17
Escapement: lever escapement
Balance: nickel ring balance
Shock protection: Incabloc
Special features: Chronograph with three totalizers; Tricompax
Schwingungen: 18.000 A/h
Dimensions Movement: 14“‘
Production time: 1971 - 1972 (sold longer)
Functions: Manual winding; Chronograph: Chrono center hand 60 sec; at 3: 30 min; at 6: 12 h; bidirectional rotating bezel with retrograde 5 min graduation 0 - 60
Indication: hour, minute, running small second at 9; chronograph with tachymeter scale 1000 - 60; telemeter scale 1 - 20; 30 min counter at 3; 12 h counter at 6
Dial: Black; white totalizers at 3, 6 and 9; white printed minute markers, applied chrome hour markers with luminous material
Hands: Bar with tip, luminous material
Hands Totalizers: Sword, orange; chrono center hand: orange
Case shape: Cushion
Case diameter (mm): 39.8
Case material: Steel, sunburst finish; sides partially polished