Seiko Cal. 4513 - 577

The 4513-577 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-c842930d375b]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1993

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