Seiko Cal. 6610 - 666

This Hand-Winding model from 1970 features a 45mm Two-Tone case. With its 21mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-aefff5b1c7b9]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1970

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