Seiko Cal. 5613 - 399

This Spring Drive model from 1965 features a 42mm PVD Black case. With its 22mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-6f838857cda0]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1965

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