Seiko Cal. 4440 - 721

Released in 1984, the Cal. 4440 with design code 721 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-7d62d6fc93fc]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1984

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