Seiko Cal. 6171 - 166

The Seiko 6171-166 represents an important milestone in Seiko's 1970 lineup. Powered by the 6171 caliber with 35j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-7a34fdf602a5]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1970

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