Seiko Cal. 5623 - 657

The Seiko 5623-657 represents an important milestone in Seiko's 1984 lineup. Powered by the 5623 caliber with 30j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-9a2bcedbaf44]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1984

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