Seiko Cal. 6171 - 424

The Seiko 6171-424 represents an important milestone in Seiko's 1984 lineup. Powered by the 6171 caliber with 20j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-3a51042348f9]

Also known as: Sportsmatic, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1984

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