Seiko Cal. 4427 - 389

The 4427-389 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-fdb46fb38412]

Also known as: Sumo, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1994

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