Seiko Cal. 5684 - 551

The Seiko 5684-551 represents an important milestone in Seiko's 1994 lineup. Powered by the 5684 caliber with 33j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-ed10e9fa72ff]

Also known as: UFO, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1994

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