Seiko Cal. 5623 - 924

The 5623-924 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5623 caliber with 21j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-b5dfe0c13812]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1974

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