Seiko Cal. 7171 - 185

The Seiko 7171-185 represents an important milestone in Seiko's 1988 lineup. Powered by the 7171 caliber with 31j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-17371db77d1b]

Also known as: Helmet, World Timer

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1988

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