Seiko Cal. 6391 - 217

Seiko 6391-217

The Seiko 6391-217 represents an important milestone in Seiko's 1985 lineup. Powered by the 6391 caliber with 31j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-e95d0c9d3203]

Also known as: Shogun, Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
39mm
Case Thickness
15.7mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Green
Jewels
31j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1985

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