Seiko Cal. 4487 - 996

The Seiko 4487-996 represents an important milestone in Seiko's 1988 lineup. Powered by the 4487 caliber with 36j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-1053d7c4ff9f]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1988

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