Seiko Cal. 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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