Seiko Cal. 3820 - 523

The Seiko 3820-523 represents an important milestone in Seiko's 1999 lineup. Powered by the 3820 caliber with 20j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-b369d78f3bc2]

Also known as: Sea Horse, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1999

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