Seiko Cal. 4487 - 379

The 4487-379 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-fae69aea9456]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1973

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