Seiko Cal. 6613 - 644

The 6613-644 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-809ea23df227]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1983

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