Seiko Cal. 6391 - 873

Seiko 6391-873

The 6391-873 is a sought-after Solar piece from Seiko's golden era. Powered by the 6391 caliber with 17j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-c5d3c4fd855f]

Also known as: Golden Tuna

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
9.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Black
Jewels
17j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1998

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