Seiko Cal. 6391 - 251

Seiko 6391-251

The 6391-251 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6391 caliber with 31j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-a28f957d8b7b]

Also known as: Samurai, Crown

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
15.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
40m
Dial Color
Champagne
Jewels
31j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1990

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