Seiko Cal. 4531 - 877

Released in 1967, the Cal. 4531 with design code 877 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-956bef89cdb8]

Also known as: World Timer, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1967

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