Seiko Cal. 4430 - 687

The 4430-687 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-881b7b5f85ed]

Also known as: Silverwave, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1989

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