Seiko Cal. 4513 - 833

The Seiko 4513-833 represents an important milestone in Seiko's 1978 lineup. Powered by the 4513 caliber with 21j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-177770c108f0]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1978

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