Seiko Cal. 5256 - 991

The Seiko 5256-991 represents an important milestone in Seiko's 1986 lineup. Powered by the 5256 caliber with 36j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-55149369635a]

Also known as: World Timer, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1986

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