Seiko Cal. 3864 - 900

This Spring Drive model from 1981 features a 35mm Stainless Steel case. It features a White dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-b309f8a87dab]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1981

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