Seiko Cal. 4445 - 303

The Seiko 4445-303 represents an important milestone in Seiko's 1978 lineup. Powered by the 4445 caliber with 31j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-a84ebc05fbb8]

Also known as: Samurai, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1978

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