Seiko Cal. 3813 - 943

The 3813-943 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3813 caliber with 21j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-722939b5352a]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1997

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