Seiko Cal. 4451 - 822

The 4451-822 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4451 caliber with 30j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-e786cd9ac383]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1969

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