Seiko Cal. 7171 - 407

The Seiko 7171-407 represents an important milestone in Seiko's 1975 lineup. Powered by the 7171 caliber with 24j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-ed80ed788bec]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1975

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