Seiko Cal. 5256 - 643

Seiko 5256-643

The Seiko 5256-643 represents an important milestone in Seiko's 1984 lineup. Powered by the 5256 caliber with 24j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-a79d5040cc8f]

Also known as: Shogun, Golden Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
45mm
Case Thickness
10.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1984

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