Seiko Cal. 6691 - 918

The 6691-918 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6691 caliber with 30j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-7ad5ce7e587d]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1996

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