Seiko Cal. 4543 - 538

The Seiko 4543-538 represents an important milestone in Seiko's 1990 lineup. Powered by the 4543 caliber with 18j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-56cad1c539a2]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1990

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