Seiko Cal. 4510 - 328

The Seiko 4510-328 represents an important milestone in Seiko's 1971 lineup. Powered by the 4510 caliber with 21j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-b93a90297820]

Also known as: Monster, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1971

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