Seiko Cal. 4445 - 356

The Seiko 4445-356 represents an important milestone in Seiko's 1970 lineup. Powered by the 4445 caliber with 30j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-aaa03ce2e8aa]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1970

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