Seiko Cal. 5630 - 920

The 5630-920 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-97d72ad45ad1]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1982

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