Seiko Cal. 7057 - 171

Seiko 7057-171

The Seiko 7057-171 represents an important milestone in Seiko's 1973 lineup. Powered by the 7057 caliber with 31j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-25f96c6d2c31]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
46mm
Case Thickness
11.1mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Champagne
Jewels
31j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1973

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