Seiko Cal. 6171 - 661

The Seiko 6171-661 represents an important milestone in Seiko's 1966 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-b39c9806620c]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1966

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