Seiko Cal. 4451 - 110

The 4451-110 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4451 caliber with 33j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-1e4ef2b9ba45]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1977

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