Seiko Cal. 5646 - 450

The Seiko 5646-450 represents an important milestone in Seiko's 1986 lineup. With its 19mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-004552a46a8b]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1986

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