Seiko Cal. 4559 - 368

The Seiko 4559-368 represents an important milestone in Seiko's 1966 lineup. Powered by the 4559 caliber with 28j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-a6cd812a9862]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1966

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