Seiko Cal. 4561 - 834

The Seiko 4561-834 represents an important milestone in Seiko's 1966 lineup. Powered by the 4561 caliber with 34j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-4735e325a16e]

Also known as: Tuna, Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1966

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