Seiko Cal. 5256 - 770

The 5256-770 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5256 caliber with 29j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-e0a8657a0f82]

Also known as: Bellmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1972

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