Model: SQ 50V. Battery: Includes one 9V dry battery (6F22). External Output: Dynamic speaker & monophonic earphone jack. Reference Note: A4/Bb4.
Seiko SQ-44 Quartz Metronome, boxed with instructions.
Seiko SQ 100-77 Metronome
Seiko ST600 Vintage Quartz Guitar Tuner
Vintage Seiko SQM-357 Quartz Metronome
Vintage SEIKO ST606 QUARTZ GUITAR AND BASS TUNER.
Vintage SEIKO ST606 QUARTZ GUITAR AND BASS TUNER WITH BATTERY
