Seiko Cal. 4543 - 931

Released in 1971, the Cal. 4543 with design code 931 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-9ea07fdd4db7]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1971

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