Seiko Cal. 4540 - 287

This Quartz model from 1972 features a 44mm PVD Black case. Powered by the 4540 caliber with 17j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-ef95e4d38971]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1972

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