Seiko Cal. 6616 - 164

This Spring Drive model from 1972 features a 36mm Hardlex-Coated Steel case. With its 19mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-cddfe62dd84d]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1972

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