Seiko Cal. 4413 - 315

The Seiko 4413-315 represents an important milestone in Seiko's 1977 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-c3e928aa61d0]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1977

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