Seiko Cal. 4512 - 427

The Seiko 4512-427 represents an important milestone in Seiko's 1971 lineup. Powered by the 4512 caliber with 22j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-cdcd5dee4b8a]

Also known as: Rally, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1971

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