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Seiko · Prospex

Alpinist

Ref. SPB121

current6R35 Prospex AlpinistDocumentedLast reviewed Not yet reviewed

Overview

Production
2020–present
Era
6R35 Prospex Alpinist
Status
current

Case

Case diameter
39.5mm
Thickness
13.2mm
Lug width
20mm
Case material
Stainless steel
Bezel
Internal rotating compass bezel
Crystal
Sapphire
Crown
Screw-down crown at 3; secondary crown at 4
Water resistance
200m

Dial & Hands

Dial
Green sunburst
Hands
Cathedral hands
Lume
LumiBrite
Lume type
LumiBrite

Movement

Movement
Automatic
Caliber
6R35
Manufacturer
Seiko
Winding
automatic
Power reserve
~70 hours
Complications
Date, hacking, hand-winding