Seiko Cal. 5647 - 277

The Seiko 5647-277 represents an important milestone in Seiko's 1988 lineup. With its 20mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-720790d8d1cd]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1988

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