Seiko Cal. 7172 - 857

The Seiko 7172-857 represents an important milestone in Seiko's 1977 lineup. Powered by the 7172 caliber with 31j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-a2f9d796b27d]

Also known as: Pogue, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1977

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