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SPB101

Seiko

SPB101

Also sold as SPB101J1Japan

In production All SPB references →
Caliber
6R35
Case diameter
45mm
Water resistance
200 m diver's
Power reserve
70h

Seiko SPB101: caliber 6R35, 45 mm case, 200 m diver's water resistance.

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Specifications

Specifications from Seiko, Creation Watches, last seen 2026-09-23.

Movement

Caliber
6R35 All 6R35 watches →
Movement
Automatic
Power reserve
70h
Jewels
24

Case & crystal

Case material
Stainless steel
Case diameter
45mm
Case thickness
12.9mm
Lug to lug
52.6mm
Lug width
20mm
Crystal
Sapphire crystal

Resistance

Water resistance
200 m diver's

Catalogue

Family
SPB
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Variants Same watch, different market or bracelet

Reference Edition Region Band Clasp Weight
SPB101J1 J1 Japan Stainless steel Three-fold clasp with secure lock, push button release with extender 188g

More Seiko SPB references