Seiko Cal. 5277 - 636

The 5277-636 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-d5a967c7db08]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1976

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