Seiko Cal. 5647 - 539

Released in 1987, the Cal. 5647 with design code 539 was part of Seiko's domestic market collection. With its 18mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-b7bedba383be]

Also known as: Monster, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1987

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