Seiko Cal. 4487 - 146

The Seiko 4487-146 represents an important milestone in Seiko's 1992 lineup. Powered by the 4487 caliber with 31j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-854157b65d6d]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1992

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