Seiko Cal. 4448 - 633

The Seiko 4448-633 represents an important milestone in Seiko's 1968 lineup. Powered by the 4448 caliber with 35j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-7664f8a66cdb]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1968

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