Seiko Cal. 6221 - 831

Seiko 6221-831

The 6221-831 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-f802928de6cf]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
14.7mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
120m
Dial Color
Black
Jewels
29j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1976

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