Seiko Cal. 5251 - 865

The Seiko 5251-865 represents an important milestone in Seiko's 1981 lineup. Powered by the 5251 caliber with 29j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-fb65e81863d4]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1981

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