Seiko Cal. 4540 - 557

This Quartz model from 1966 features a 45mm Stainless Steel case. Powered by the 4540 caliber with 23j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-09e51b7460e6]

Also known as: Pogue

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1966

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