Seiko Cal. 4487 - 347

The Seiko 4487-347 represents an important milestone in Seiko's 1977 lineup. It features a Cream dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-43a9a4d808a0]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1977

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