Seiko Cal. 4561 - 662

The Seiko 4561-662 represents an important milestone in Seiko's 1975 lineup. Powered by the 4561 caliber with 33j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-3c48e3d433c4]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1975

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