Seiko Cal. 4531 - 160

Released in 1972, the Cal. 4531 with design code 160 was part of Seiko's domestic market collection. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-ec61be29cae3]

Also known as: UFO, Navigator

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1972

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