Seiko Cal. 4513 - 538

The Seiko 4513-538 represents an important milestone in Seiko's 1970 lineup. Powered by the 4513 caliber with 34j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-8f77da93387a]

Also known as: Turtle, Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1970

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