Seiko Cal. 4513 - 420

The Seiko 4513-420 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-d5efcc8e3edc]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1975

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