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Seiko Alpinist Perpetual Calendar SBCJ021
Ref. SBCJ021
Stock unknown
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Case
- Diameter
- 38mm
- Thickness
- 10.9mm
- Lug-to-lug
- 46.4mm
- Lug width
- 20mm
- Material
- Titanium
- Finish
- Brushed and Polished
- Water resistance
- 100m
- Caseback
- Solid
Crystal & dial
- Crystal
- Sapphire
- Shape
- Flat
- Dial color
- Cream
- Indices
- Applied
- Lume
- Full lume
Movement
- Caliber
- 8F56
- Type
- Quartz
Alpinist collection · 2 watches
Market
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Retail stock & market context
Seiko on the secondhand market
+10.1%
2026 so far · +5.2% to +17.0% · 103 matched watches
In line with the index
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Community
The Seiko Alpinist Perpetual Calendar SBCJ021 is praised for its unique combination of a perpetual calendar and a high-accuracy quartz movement, distinct from other Alpinist models. Owners appreciate its full lume dial and lightweight titanium case, with one noting the unique crown placement offers better balance. The crystal is consistently described as flawless, and while the titanium case and bracelet can show scratches, they are generally considered clean and can be buffed out. One owner finds setting the perpetual calendar to be a hassle but still considers it the best Alpinist. Overall, owners value the Seiko Alpinist Perpetual Calendar SBCJ021 for its distinctive complications and wearability, despite minor concerns about case scratching.
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