Seiko Cal. 5645 - 581

The Seiko 5645-581 represents an important milestone in Seiko's 1971 lineup. With its 19mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-f083081681d7]

Also known as: Sumo, Goldfeather

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1971

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