Seiko Cal. 4554 - 721

The Seiko 4554-721 represents an important milestone in Seiko's 1988 lineup. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-9cca188cae86]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1988

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