Seiko Cal. 4510 - 546

The Seiko 4510-546 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-039adf70ac9b]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1972

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