Seiko Cal. 0721 - 555

The Seiko 0721-555 represents an important milestone in Seiko's 1989 lineup. Powered by the 0721 caliber with 28j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-999527afb1af]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1989

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