Seiko Cal. 4487 - 275

Released in 1993, the Cal. 4487 with design code 275 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-33ea7860daeb]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1993

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