Seiko Cal. 6312 - 727

Seiko 6312-727

The 6312-727 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6312 caliber with 34j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-13debcaae6f6]

Also known as: Sumo, Navigator

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
11.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
100m
Dial Color
Cream
Jewels
34j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1971

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