Seiko Cal. 4512 - 961

The Seiko 4512-961 represents an important milestone in Seiko's 1966 lineup. Powered by the 4512 caliber with 28j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-b3c8fc8571d6]

Also known as: Navigator, Emperor

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1966

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