Seiko Cal. 6331 - 276

Seiko 6331-276

The 6331-276 is a sought-after Quartz piece from Seiko's golden era. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-2025c071f2f9]

Also known as: Sumo, Emperor

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
9.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
80m
Dial Color
Champagne
Jewels
29j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1967

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