Seiko Prospex 1959 Alpinist Automatic Green Dial SPB121

This timepiece is from the Alpinist collection, first launched in 1959 exclusively for the Japanese market. Designed for Japanese ‘Yama-otoko’ mountain men, to be reliable in treacherous terrain, these are part of the Land collection. Case Thickness: 13.2mm Case Diameter: 39.5mm Lug-to-lug: 46.4mm