Seiko Cal. 5646 - 516

This Spring Drive model from 1999 features a 40mm Titanium case. With its 21mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-a3308211dbfa]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1999

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