Seiko Cal. 6391 - 884

Seiko 6391-884

The 6391-884 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6391 caliber with 21j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-9b9f2c0ba9c6]

Also known as: Golden Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
46mm
Case Thickness
13.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Champagne
Jewels
21j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1973

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