Seiko Cal. 7172 - 929

Seiko 7172-929

The 7172-929 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7172 caliber with 17j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-01a4132e3a8a]

Also known as: Tuna, UFO

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
38mm
Case Thickness
13.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Black
Jewels
17j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1967

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