Seiko Cal. 4512 - 947

The Seiko 4512-947 represents an important milestone in Seiko's 1975 lineup. Powered by the 4512 caliber with 27j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-18b17ade5bc6]

Also known as: Helmet, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1975

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