Grand Seiko· Japan

SBGM257

Ref. SBGM257

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0 reviews

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Expert Score

0 reviews

Est. Price

Market ~$5,632

gmt luxury

View Family

Specifications

Movement

Automatic

Caliber

9S66

Case Diameter

39.5mm

Case Thickness

14.1mm

Case Material

Stainless Steel

Water Resistance

30m (300 ft)

Power Reserve

72h

Submit / Correct Specs

Current Listings

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2026 Grand Seiko Moondrop GMT 40mm Blue Dial Full Set (SBGM257)

$4,880Pre-owned - Excellent

Grand Seiko SBGM257 Mechanical Men's Watch 9S66 00L0 Date

$5,650.31Pre-owned - Good

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Where to Buy

Brand Website

Buy new direct from Grand Seiko

eBay

Current listings and auctions

Jomashop

Authorized dealer inventory

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