Seiko Cal. 4447 - 581

Released in 1973, the Cal. 4447 with design code 581 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-03e3fefb47cb]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1973

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