Seiko Cal. 3813 - 613

Released in 1988, the Cal. 3813 with design code 613 was part of Seiko's domestic market collection. Powered by the 3813 caliber with 22j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-cfbbbbee45cc]

Also known as: Bellmatic, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1988

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