Seiko Cal. 4464 - 100

The 4464-100 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4464 caliber with 21j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-a2cb2a49f782]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1967

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