Seiko Cal. 4445 - 861

The Seiko 4445-861 represents an important milestone in Seiko's 1968 lineup. Powered by the 4445 caliber with 34j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-0a6ac2195a0c]

Also known as: Sumo, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1968

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