Seiko Cal. 5256 - 691

Released in 1973, the Cal. 5256 with design code 691 was part of Seiko's domestic market collection. Powered by the 5256 caliber with 31j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-aefc9193bcc8]

Also known as: Monster, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1973

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