Seiko Cal. 4430 - 488

Released in 1971, the Cal. 4430 with design code 488 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-bd9095984ff1]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1971

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