Seiko Cal. 7171 - 705

Seiko 7171-705

The 7171-705 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7171 caliber with 31j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-63ec9fc8cd40]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
14.7mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Silver
Jewels
31j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1977

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