Seiko Cal. 6391 - 229

The Seiko 6391-229 represents an important milestone in Seiko's 1969 lineup. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-1cf6adbea955]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1969

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