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Complications
Chronograph
-2-Button
Date
-Big Date
--Double Concentric Wheel Big Date
-Quick Date Correction
Day
-Quick Day Correction
Hacking Seconds
Tourbillon
Hands
30 Minute Chronograph Hand at 3:00
Big Date 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
Hour Hand at 6:00
Open Heart at 9:00
Small Seconds Hand at 6:00
Small Seconds Hand at 9:00
Brand
ETA
Frédéric Piguet
Naoya Hida
Seiko
-Credor
-Seiko Instruments Inc.
--Time Module Inc.
-Shizukuishi Watch Studio
Tianjin
-Sea-Gull
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
Hand winding
Regulators
ETACHRON
Production Periods
1970s
1990s
2000s
2010s
2020s
Frequency
21,600 A/h
28,800 A/h
Anti-Shock
Diashock
Incabloc Double-Cone
Jewels
22
Balance Mount
Balance Bridge
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
3/4 Plate
Balance
-Balance at 1:30
-Balance at 10:30
-Balance at 12:00
-Balance at 3:00
-Balance at 7:30
-Barrel at 10:30
Central Rotor
Column Wheel
-Column Wheel at 6:00
-Tourbillon at 3:00
ETA 2896
FP 816
NH 3020CS
Seiko 4R15
Seiko 4R16
Seiko 6810
Seiko 6830
Seiko 6870
Seiko 6890
ST1901
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