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  1. Seiko
  2. SSJ
  3. Astron
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Seiko

SSJ012

Also sold as SSJ012J1Japan

In production All SSJ references →
Caliber
3X22
Case diameter
39mm
Water resistance
100 m
Crystal
Sapphire crystal

Seiko SSJ012: caliber 3X22, 39 mm case, 100 m water resistance.

Where to buy

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Specifications

Specifications from Seiko, last seen 2026-09-21.

Movement

Caliber
3X22
Movement
Solar
Jewels
8

Case & crystal

Case material
Stainless steel (super hard coating) with ceramic bezel
Case diameter
39mm
Case thickness
11mm
Lug to lug
46.2mm
Lug width
21mm
Crystal
Sapphire crystal

Resistance

Water resistance
100 m

Catalogue

Family
SSJ
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Variants Same watch, different market or bracelet

Reference Edition Region Band Clasp Weight
SSJ012J1 J1 Japan Cow leather Three-fold clasp with push button release 78g

More Seiko SSJ references