Seiko Cal. 7173 - 331

Seiko 7173-331

The 7173-331 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7173 caliber with 27j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-4f1ecf24c39e]

Also known as: Emperor

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Silver
Jewels
27j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1971

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