Seiko Cal. 3820 - 384

The Seiko 3820-384 represents an important milestone in Seiko's 1991 lineup. It features a Navy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-a3a1f0cb704b]

Also known as: Tuna, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1991

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