Seiko Cal. 4440 - 590

The 4440-590 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-3be882e96fb7]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1984

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