Seiko Cal. 6311 - 347

Seiko 6311-347

The 6311-347 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6311 caliber with 23j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-6db66f19432e]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
34mm
Case Thickness
8.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Navy
Jewels
23j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1972

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