Seiko Cal. 4510 - 911

The Seiko 4510-911 represents an important milestone in Seiko's 1987 lineup. Powered by the 4510 caliber with 21j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-cc2ef1f70ea6]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1987

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