Seiko Cal. 6231 - 821

Seiko 6231-821

Released in 1997, the Cal. 6231 with design code 821 was part of Seiko's domestic market collection. Powered by the 6231 caliber with 18j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-0174caf11b47]

Also known as: Tuna, Arnie

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
12.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1997

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seikata-wm-0174caf11b47