Seiko Cal. 5613 - 571

This Solar model from 1970 features a 37mm PVD Black case. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-1309a6a179d6]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1970

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