Seiko Cal. 5623 - 673

The 5623-673 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5623 caliber with 29j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-61989551e95d]

Also known as: Shogun, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1982

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