Seiko Cal. 4531 - 487

Released in 1982, the Cal. 4531 with design code 487 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-c4986be7bed4]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1982

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