Seiko Cal. 4445 - 317

The Seiko 4445-317 represents an important milestone in Seiko's 1983 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-3b0036144a5e]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1983

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