Seiko Cal. 4510 - 515

The Seiko 4510-515 represents an important milestone in Seiko's 1973 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-fe865beca4f5]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1973

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