Seiko Cal. 3865 - 939

The 3865-939 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-1e13d1d65c11]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1980

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