Seiko Cal. 5251 - 687

The Seiko 5251-687 represents an important milestone in Seiko's 1982 lineup. Powered by the 5251 caliber with 33j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-645eb5ea397d]

Also known as: Bellmatic, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1982

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