Seiko Cal. 5277 - 987

Released in 1971, the Cal. 5277 with design code 987 was part of Seiko's domestic market collection. With its 21mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-afa35322de21]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1971

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