Seiko Cal. 4531 - 615

Released in 1986, the Cal. 4531 with design code 615 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-21b1d5b0873c]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1986

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