Seiko Cal. 3899 - 611

This Hand-Winding model from 1967 features a 34mm Titanium case. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-78762b771f18]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1967

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