Seiko Cal. 6311 - 890

Seiko 6311-890

The 6311-890 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6311 caliber with 34j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-b84a2aba5327]

Also known as: Tuna, Arnie

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
9.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1972

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seikata-wm-b84a2aba5327