Seiko Cal. 3813 - 372

The 3813-372 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3813 caliber with 34j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-712f08fa86d1]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1984

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