Seiko Cal. 7171 - 739

The Seiko 7171-739 represents an important milestone in Seiko's 1967 lineup. Powered by the 7171 caliber with 22j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-e69042cf7f45]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1967

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