Seiko Cal. 5623 - 481

This Quartz model from 1972 features a 37mm PVD Black case. Powered by the 5623 caliber with 28j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-074373a8e031]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1972

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