Seiko Cal. 7171 - 172

The Seiko 7171-172 represents an important milestone in Seiko's 1991 lineup. Powered by the 7171 caliber with 23j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-5da160545e70]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1991

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