Seiko Cal. 7177 - 291

Seiko 7177-291

The 7177-291 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7177 caliber with 18j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-d89c8138bb59]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
46mm
Case Thickness
15.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
White
Jewels
18j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1986

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seikata-wm-d89c8138bb59