Seiko Cal. 5661 - 850

The 5661-850 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-25ac83cb7c32]

Also known as: Rally, Goldfeather

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1975

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