This Seiko 6M91-8001, brought to you by Seiko-Works, has a one year return to base guarantee.
Please click here to read the terms and conditions.
This watch has the following functions:
Very rare model in superb condition.
• Dual time function
• Dual time alarm (Main time ± 23 hours)
• Main time alarm (24-hour indication system)
• Automatic calendar (Year, month and date up to the year 2099)
• Hands 0-reset adjustment function (including the date position adjustment)
• Alarm test system
• Demonstration movement of the hands and date
• Confirmation sound for watch operation
• Electronic circuit reset switch
Note: Wrist size 17cm with no spare links.
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