Seiko Cal. 4513 - 640

This Hand-Winding model from 1991 features a 34mm PVD Black case. Powered by the 4513 caliber with 34j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-e13fe424ac2e]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1991

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