Seiko Cal. 4487 - 788

Released in 1989, the Cal. 4487 with design code 788 was part of Seiko's domestic market collection. Powered by the 4487 caliber with 34j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-5e2f9f212314]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1989

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