Seiko Cal. 6393 - 851

Seiko 6393-851

The 6393-851 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6393 caliber with 21j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-883b3f138bab]

Also known as: Crown, Baby Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
45mm
Case Thickness
15.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
200m
Dial Color
Silver
Jewels
21j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1968

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