Seiko Alpinist Perpetual Calendar SBCJ021

Watch by Seiko

Seiko Alpinist Perpetual Calendar SBCJ021

Alpinist · Alpinist Perpetual Calendar SBCJ021

Case
38 mm
Thickness
10.9 mm
Lug width
20 mm
Crystal
Sapphire
Updated 11 November 2026
About this watch

The Seiko Alpinist Perpetual Calendar SBCJ021 is a 38 mm watch from the Alpinist collection. Its titanium case is 10.9 mm thick and 46.4 mm from lug to lug, with 20 mm lugs. It is water resistant to 100 m. The crystal is sapphire.

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Last update:

11 November, 2026