Seiko Cal. 5624 - 903

Released in 1966, the Cal. 5624 with design code 903 was part of Seiko's domestic market collection. With its 22mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-de9ec90d5c29]

Also known as: Shogun, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1966

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