Seiko Cal. 5611 - 166

This Hand-Winding model from 1965 features a 46mm Hardlex-Coated Steel case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-6af0937fa08e]

Also known as: Sea Horse, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1965

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