Seiko Cal. 4487 - 957

The Seiko 4487-957 represents an important milestone in Seiko's 1998 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-bc0e9bad559e]

Also known as: Bullhead, Crown

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1998

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