Seiko Cal. 5623 - 303

Released in 1978, the Cal. 5623 with design code 303 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-9ede25dd9242]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1978

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