Seiko Cal. 6691 - 171

The 6691-171 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-c7b335a21c95]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1984

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