Seiko Cal. 6391 - 662

Seiko 6391-662

The 6391-662 is a sought-after Solar piece from Seiko's golden era. Powered by the 6391 caliber with 23j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-75eda499539e]

Also known as: Monster

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
36mm
Case Thickness
12.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
30m
Dial Color
Burgundy
Jewels
23j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1974

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seikata-wm-75eda499539e