Seiko Cal. 4487 - 673

The Seiko 4487-673 represents an important milestone in Seiko's 1986 lineup. It features a Navy dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-abf49c969e4b]

Also known as: Pogue, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1986

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