Seiko Cal. 4487 - 974

Released in 1965, the Cal. 4487 with design code 974 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-94fbe4eb8392]

Also known as: Turtle, Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1965

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