Seiko Cal. 4487 - 442

The 4487-442 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-99343447183c]

Also known as: Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1990

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