Seiko Cal. 3820 - 522

The Seiko 3820-522 represents an important milestone in Seiko's 1987 lineup. Powered by the 3820 caliber with 26j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-9dd65ad0d8e2]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1987

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