Seiko Cal. 3864 - 822

This Spring Drive model from 1969 features a 40mm Two-Tone case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-6b4913f83805]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1969

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