Seiko Cal. 3889 - 722

Released in 1968, the Cal. 3889 with design code 722 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-a4769385abd5]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1968

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