Seiko Cal. 4546 - 763

The Seiko 4546-763 represents an important milestone in Seiko's 1975 lineup. With its 18mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-37a74aa2fa04]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1975

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