Seiko Cal. 6691 - 864

This Solar model from 1971 features a 44mm Titanium case. Powered by the 6691 caliber with 32j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-ac7cbb11b1c7]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1971

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