Seiko Cal. 4487 - 652

The Seiko 4487-652 represents an important milestone in Seiko's 1970 lineup. Powered by the 4487 caliber with 29j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-9bf4f1f14964]

Also known as: Turtle, Goldfeather

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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