Seiko Cal. 4546 - 621

The Seiko 4546-621 represents an important milestone in Seiko's 1989 lineup. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-4b134cba7b14]

Also known as: Monster, UFO

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1989

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