Seiko Cal. 3813 - 343

The Seiko 3813-343 represents an important milestone in Seiko's 1980 lineup. Powered by the 3813 caliber with 35j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-f62fd13a106c]

Also known as: UFO, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1980

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