Seiko Cal. 3869 - 340

This Spring Drive model from 1969 features a 37mm Stainless Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-0c7b651ff338]

Also known as: Tuna, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1969

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