Seiko Cal. 6615 - 780

This Hand-Winding model from 1966 features a 36mm PVD Black case. With its 20mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-d1640108a662]

Also known as: Bullhead, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1966

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