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Complications
Chronograph
-2-Button
-Cam Switching Chronograph
-Modular Chronograph
-Oscillating Pinion Chronograph
Date
-Date by Pointer
-Instant Date Change
-Quick Date Correction
Day
-Bilingual Day Wheel
-Instant Day Change
-Quick Day Correction
Hacking Seconds
Hand Winding
Modular
Power Reserve Indicator
Hands
12 Hour Chronograph Hand at 6:00
30 Minute Chronograph Hand at 3:00
Central 60 Second Chronograph Hand
Central Hour Hand
Central Minute Hand
Central Power Reserve Pointer
Central Seconds Hand
Date Pointer at 6:00
Date Window at 3:00
Date Window at 6:00
Day Window at 3:00
Open Heart at 9:00
Small Seconds Hand at 9:00
Brand
ETA
Landeron
Seiko
-Seiko Instruments Inc.
--Time Module Inc.
Tianjin
-Sea-Gull
Winding
Automatic
-Bi-Directional Automatic Winding
-Central Rotor Automatic Winding
-Seiko Magic Lever Winding
--Clockwise Automatic Winding
Hand winding
Regulators
ETACHRON
Indexed
Screw Regulator
Screwed Balance
Production Periods
1930s
1940s
1950s
1960s
1990s
2000s
2010s
2020s
Frequency
18,000 A/h
21,600 A/h
28,800 A/h
Anti-Shock
Diashock
Incabloc Double-Cone
Jewels
17
21
23
24
26
29
33
Balance Mount
Balance Cock
-Balance Cock Clockwise
-Balance Cock Counter-Clockwise
Back-Side Features
Balance
-Balance at 1:30
-Balance at 12:00
-Balance at 3:00
Central Rotor
ETA 2094
Landeron 148
Landeron 149
Landeron 189
Landeron 248
Landeron 48
Seiko 4R35
Seiko 4R36
Seiko 4R38
Seiko 4R57
Seiko 7S25
Seiko 7S26
Seiko 7S36
ST1812
ST2100
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