Seiko Cal. 4513 - 390

The Seiko 4513-390 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-0411c67a6e50]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1977

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