Seiko Lassale
cal. 9442
Factory Spec. 20 SPY
Thermocompensated: Dual Oscillator (32 kHz + 40 kHz)
User Adjustable: Yes
Some details for this watch are missing because it has not yet undergone comprehensive testing.
Parent Company | Seiko Holdings Corporation |
Brand | Seiko |
Model Series | Twin Quartz |
Model Name | Lassale |
Model Number | unknown |
Case Number | 5019 |
Serial Number | 120409 |
Approx. Date of Manufacture | February 1981 |
Calibre (mvt maker) | 9442 |
Calibre (brand) | 9442 |
Factory SPY | 20 |
TC Appproach | Count adjustment & twin quartz |
Frequency (XO 1) | 32 kHz |
Frequency (XO 2) | 40 kHz |
Rate Adjustment | User |
Major Inhibition Period | unknown |
Minor Inhibition Period | unknown |
Power | Disposable cell |
Cell Number | SR927SW |
Case Back | Press (no tool needed for closing) |
Water Resistance | unknown |
Features | 3-hand, no numeral dial |
Date (not perpetual) | |
Timing Results | Basic data & Further details |
Images | Photos - Large File Sizes! |
Documents | Parts list |
Technical guide |