Seiko Cal. 3813 - 188

The 3813-188 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3813 caliber with 31j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-55d43961db4b]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1978

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