Seiko Cal. 4543 - 821

The Seiko 4543-821 represents an important milestone in Seiko's 1984 lineup. It features a Silver dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-919d83039e46]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1984

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