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Seiko

SGEG18

Also sold as SGEG18P1Asia-Pacific

Availability unknown All SGEG references →
Case diameter
39.9mm
Water resistance
100 m
Crystal
Mineral crystal

Seiko SGEG18: 39.9 mm case, 100 m water resistance.

Where to buy

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Specifications

Specifications from Creation Watches, last seen 2026-09-22.

Movement

Movement
Quartz

Case & crystal

Case material
Stainless steel
Case diameter
39.9mm
Case thickness
8.5mm
Crystal
Mineral crystal

Resistance

Water resistance
100 m

Catalogue

Family
SGEG
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Variants Same watch, different market or bracelet

Reference Edition Region Band Clasp Weight
SGEG18P1 P1 Asia-Pacific Leather Pin buckle —

More Seiko SGEG references