Seiko Cal. 5630 - 843

The Seiko 5630-843 represents an important milestone in Seiko's 1980 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-2c691e58ffc3]

Also known as: Goldfeather, World Timer

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1980

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