Seiko Cal. 4513 - 307

The 4513-307 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4513 caliber with 31j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-3e8677e41922]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1991

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