Seiko Cal. 4456 - 321

The Seiko 4456-321 represents an important milestone in Seiko's 1983 lineup. It features a White dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-d68529fdd5cd]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1983

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