Sold for around 30,000 yen on overseas websites. A very rare model, not sold in Japan. Accuracy: ±20 seconds per month Battery life (approximate): SR621SW, about 2 years Normal timekeeping Analog display: 3 hands (hour, minute, second), 3 dials (date, day of the week, 24-hour indicator) Case size / Total weight EF-336L...... 55.0 x 51.2 x 17.4 mm / 72 g Case: Stainless steel ±20 seconds per month Battery type: SR621SW