Seiko Cal. 4487 - 229

The Seiko 4487-229 represents an important milestone in Seiko's 1984 lineup. Powered by the 4487 caliber with 26j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-ebc8325dcecf]

Also known as: Goldfeather, Crown

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1984

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