Seiko Cal. 4460 - 642

The 4460-642 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4460 caliber with 29j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-3fbda958f33f]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1974

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