Seiko Cal. 3813 - 865

The 3813-865 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-7933578960cc]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1965

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