Seiko Cal. 6689 - 618

This Hand-Winding model from 1965 features a 44mm Titanium case. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-abc390b5fbc3]

Also known as: Helmet, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1965

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