Seiko Cal. 5624 - 686

Released in 1992, the Cal. 5624 with design code 686 was part of Seiko's domestic market collection. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-29e3db9bf5b4]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1992

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