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Complications
Chronograph
-2-Button
-Cam Switching Chronograph
Date
-Instant Date Change
-Quick Date Correction
Day
-Quick Day Correction
Hacking Seconds
Hand Winding
Hands
30 Minute Chronograph Hand at 3:00
45 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Seconds Hand
Date Window at 3:00
Day Window at 3:00
Small Seconds Hand at 9:00
Brand
-Valjoux
Seiko
-Daini Seikosha
-Grand Seiko
-Suwa Seikosha
Winding
Automatic
-Bi-Directional Automatic Winding
Hand winding
Regulators
Screw Regulator
Tadpole Regulator
Production Periods
1960s
1970s
Frequency
18,000 A/h
28,800 A/h
36,000 A/h
Anti-Shock
Diashock
Incabloc Double-Cone
Jewels
17
25
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 3:00
-Balance at 4:30
Suwa Seikosha 03 Quartz Stream
Seiko 4502
Seiko 4580
Seiko 5246
Valjoux 7730
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