Seiko Cal. 6331 - 286

Seiko 6331-286

The 6331-286 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-77f3bc4f0769]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
13.3mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Champagne
Jewels
29j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1969

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