Seiko Cal. 7171 - 907

The 7171-907 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-f3ea1bc4e962]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1977

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