Seiko Cal. 6610 - 378

The Seiko 6610-378 represents an important milestone in Seiko's 1970 lineup. With its 22mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-524bb376a6e7]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1970

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