Seiko Cal. 3820 - 613

The Seiko 3820-613 represents an important milestone in Seiko's 1982 lineup. Powered by the 3820 caliber with 17j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-0fb94354e7e1]

Also known as: Panda, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1982

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