Seiko Cal. 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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