Seiko Cal. 5624 - 713

This Spring Drive model from 1985 features a 45mm Hardlex-Coated Steel case. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-4c9e0d479689]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1985

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