Seiko Cal. 4450 - 630

The 4450-630 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4450 caliber with 33j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-b1516da90171]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1994

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