Seiko Cal. 3899 - 649

Released in 1974, the Cal. 3899 with design code 649 was part of Seiko's domestic market collection. It features a Silver dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-ed31dd26eaa3]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1974

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