Seiko Cal. 6M13 - 0010 Perpetual Calendar Rare collector's watch from the Seiko Discovery series. The watch looks good for her age (see pictures). The new leather strap is not from Seiko, but fits super to the watch. The battery was renewed in March 2017. All functions have been successfully tested. The watch is sent in the Seiko box shown. The SEIKO QUARTZ watch Cal. 6M13 is an analogue watch with three hands featuring alarm, calendar and calendar search functions. TIME: Indicated by three hands. Date is displayed in numerals, and day of the week, month and year are indicated by the hands. The calendar automatically adjusts for odd and even months including February of leap years from 1400 to 2499. Can be set to ring once at a designated time and date within a month. Can be set to ring regularly once a day. The day of the week for any desired date, month and year from 1400 to 2499 can easily be determined and displayed by one of the hands. The second hand moves at two-second intervals when the battery needs to be replaced Dimensions and weight Diameter without crown: ca. 39.00 mm Thickness: ca. 11.0 mm Weight: ca. 56 grams Band Width: 18mm Band Length: Long belt about 12 cm and Short belt about 7cm (without buckle) Serial number: 153051 The photos are an essential part of the description, enabling you to form your own opinion in advance. Shipping: registered post with track (3-7 working days) This item can be shipped worldwide. Any import duties are to be borne by the buyer