Seiko Cal. 6645 - 424

This Automatic model from 1975 features a 41mm Titanium case. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ac39ccf9129c]

Also known as: UFO, Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1975

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