Seiko Cal. 4439 - 721

Released in 1965, the Cal. 4439 with design code 721 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-0aac43154587]

Also known as: Crown, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1965

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