Seiko Cal. 5646 - 477

The Seiko 5646-477 represents an important milestone in Seiko's 1973 lineup. With its 19mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-caeb553d3cde]

Also known as: UFO, Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1973

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