Seiko Cal. 0713 - 661

The 0713-661 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-f3175d8ae2af]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1967

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